Rosetta Code · Rosetta Code

Task

FizzBuzz
You are encouraged to solve this task according to the task description, using any language you may know.

Task

Write a program that prints the integers from   1   to   100   (inclusive).


But:

  •   for multiples of three,   print   Fizz     instead of the number;
  •   for multiples of five,   print   Buzz     instead of the number;
  •   for multiples of both three and five,   print   FizzBuzz     instead of the number.


The   FizzBuzz   problem was presented as the lowest level of comprehension required to illustrate adequacy.

Also see

11l

Translation of: Python3: Simple

L(i) 1..100
   I i % 15 == 0
      print(‘FizzBuzz’)
   E I i % 3 == 0
      print(‘Fizz’)
   E I i % 5 == 0
      print(‘Buzz’)
   E
      print(i)

360 Assembly

See FizzBuzz/Assembly

6502 Assembly

See FizzBuzz/Assembly

68000 Assembly

See FizzBuzz/Assembly

8080 Assembly

See FizzBuzz/Assembly

8086 Assembly

See FizzBuzz/Assembly

8th

with: n
: num?  \ n f --   ) 
	if drop else . then ;
\ is m mod n 0? leave the result twice on the stack
: div? \ m n -- f f
	mod 0 = dup ;
: fizz? \ n -- n f
	dup 3 
	div? if "Fizz" .  then ;
: buzz? \ n f -- n f
	over 5 
	div? if "Buzz" .  then or ;
\ print a message as appropriate for the given number:
: fizzbuzz  \ n --
	fizz? buzz? num? 
	space ;
\ iterate from 1 to 100:
' fizzbuzz 1 100 loop 
cr bye

AArch64 Assembly

Works with: as version Raspberry Pi 3B version Buster 64 bits

/* ARM assembly AARCH64 Raspberry PI 3B */
/*  program FizzBuzz64.s   */
/*******************************************/
/* Constantes file                         */
/*******************************************/
/* for this file see task include a file in language AArch64 assembly*/
.include "../includeConstantesARM64.inc"
/*******************************************/
/* Initialized data                        */
/*******************************************/
.data
szMessFizz:        .asciz "Fizz\n"
szMessBuzz:        .asciz "Buzz\n"
szMessFizzBuzz:    .asciz "FizzBuzz\n"
szMessNumber:      .asciz "Number : @ "
szCarriageReturn:  .asciz "\n"
/*******************************************/
/* UnInitialized data                      */
/*******************************************/
.bss
sZoneConv:         .skip 24
/*******************************************/
/*  code section                           */
/*******************************************/
.text
.global main
main:                           // entry of program
    mov x10,3                   // divisor 3
    mov x11,5                   // divisor 5
    mov x12,15                  // divisor 15
    mov x13,1                   // indice
1:                              // loop begin
    udiv x14,x13,x12            // multiple 15
    msub x15,x14,x12,x13        // remainder
    cbnz x15,2f                 // zero ?
    mov x0,x13
    ldr x1,qAdrszMessFizzBuzz
    bl displayResult
    b 4f
2:                              // multiple 3
    udiv x14,x13,x10
    msub x15,x14,x10,x13        // remainder
    cbnz x15,3f                 // zero ?
    mov x0,x13
    ldr x1,qAdrszMessFizz
    bl displayResult
    b 4f
3:                               // multiple 5
    udiv x14,x13,x11
    msub x15,x14,x11,x13         // remainder
    cbnz x15,4f                  // zero ?
    mov x0,x13
    ldr x1,qAdrszMessBuzz
    bl displayResult
4:
    add x13,x13,1                // increment indice
    cmp x13,100                  // maxi ?
    ble 1b
100:                            // standard end of the program
    mov x8,EXIT                 // request to exit program
    svc 0                       // perform the system call
qAdrszMessFizzBuzz:        .quad szMessFizzBuzz
qAdrszMessFizz:            .quad szMessFizz
qAdrszMessBuzz:            .quad szMessBuzz
/******************************************************************/
/*     Display résult                                            */
/******************************************************************/
/* x0 contains the number*/
/* x1 contains display string address    */
displayResult:
    stp x2,lr,[sp,-16]!            // save  registers
    mov x2,x1
    ldr x1,qAdrsZoneConv           // conversion number
    bl conversion10S               // decimal conversion
    ldr x0,qAdrszMessNumber
    ldr x1,qAdrsZoneConv
    bl strInsertAtCharInc          // insert result at @ character
    bl affichageMess               // display message final
    mov x0,x2
    bl affichageMess
    ldp x2,lr,[sp],16              // restaur  2 registers
    ret                            // return to address lr x30
qAdrsZoneConv:        .quad sZoneConv
qAdrszMessNumber:     .quad szMessNumber
/********************************************************/
/*        File Include fonctions                        */
/********************************************************/
/* for this file see task include a file in language AArch64 assembly */
.include "../includeARM64.inc"

ABAP

Impure Functional 1

Works with: ABAP version 7.4 SP05 or Above only

DATA: tab TYPE TABLE OF string.
tab = VALUE #(
  FOR i = 1 WHILE i <= 100 (
    COND string( LET r3 = i MOD 3
                     r5 = i MOD 5 IN
                 WHEN r3 = 0 AND r5 = 0 THEN |FIZZBUZZ|
                 WHEN r3 = 0            THEN |FIZZ|
                 WHEN r5 = 0            THEN |BUZZ|
                 ELSE i ) ) ).
cl_demo_output=>write( tab ).
cl_demo_output=>display( ).

Impure Functional 2

Works with: ABAP version 7.4 SP05 or Above only

cl_demo_output=>display( value stringtab( for i = 1 until i > 100
                                          let fizz = cond #( when i mod 3 = 0 then |fizz| else space )
                                              buzz = cond #( when i mod 5 = 0 then |buzz| else space )
                                              fb   = |{ fizz }{ buzz }| in
                                         ( switch #( fb when space then i else fb ) ) ) ).

ABC

HOW TO RETURN fizzbuzz num:
    PUT "" IN result
    PUT {[3]: "Fizz"; [5]: "Buzz"} IN divwords
    FOR div IN keys divwords:
        IF num mod div=0:
            PUT result^divwords[div] IN result
    IF result="":
        PUT num>>0 IN result
    RETURN result
FOR i IN {1..100}:
    WRITE fizzbuzz i/

ACL2

(defun fizzbuzz-r (i)
   (declare (xargs :measure (nfix (- 100 i))))
   (prog2$
    (cond ((= (mod i 15) 0) (cw "FizzBuzz~%"))
          ((= (mod i 5) 0) (cw "Buzz~%"))
          ((= (mod i 3) 0) (cw "Fizz~%"))
          (t (cw "~x0~%" i)))
    (if (zp (- 100 i))
        nil
        (fizzbuzz-r (1+ i)))))
(defun fizzbuzz () (fizzbuzz-r 1))

Action!

PROC Main()
  BYTE i,d3,d5
  d3=1 d5=1
  FOR i=1 TO 100
  DO
    IF d3=0 AND d5=0 THEN
      Print("FizzBuzz")
    ELSEIF d3=0 THEN
      Print("Fizz")
    ELSEIF d5=0 THEN
      Print("Buzz")
    ELSE
      PrintB(i)
    FI
    Put(32)
    d3==+1 d5==+1
    IF d3=3 THEN d3=0 FI
    IF d5=5 THEN d5=0 FI
  OD
RETURN
Output:

Screenshot from Atari 8-bit computer

1 2 Fizz 4 Buzz Fizz 7 8 Fizz Buzz 11 Fizz 13 14 FizzBuzz 16 17 Fizz 19 Buzz Fizz 22 23
Fizz Buzz 26 Fizz 28 29 FizzBuzz 31 32 Fizz 34 Buzz Fizz 37 38 Fizz Buzz 41 Fizz 43 44
FizzBuzz 46 47 Fizz 49 Buzz Fizz 52 53 Fizz Buzz 56 Fizz 58 59 FizzBuzz 61 62 Fizz 64
Buzz Fizz 67 68 Fizz Buzz 71 Fizz 73 74 FizzBuzz 76 77 Fizz 79 Buzz Fizz 82 83 Fizz Buzz
86 Fizz 88 89 FizzBuzz 91 92 Fizz 94 Buzz Fizz 97 98 Fizz Buzz

ActionScript

The ActionScript solution works just like the JavaScript solution (they share the ECMAScript specification). The difference is that ActionScript has the trace command to write out to a console.

for (var i:int = 1; i <= 100; i++) {
  if (i % 15 == 0)
    trace('FizzBuzz');
  else if (i % 5 == 0)
    trace('Buzz');
  else if (i % 3 == 0)
    trace('Fizz');
  else
    trace(i);
}

Ada

with Ada.Text_IO; use Ada.Text_IO;
procedure Fizzbuzz is
begin
   for I in 1..100 loop
      if I mod 15 = 0 then
         Put_Line("FizzBuzz");
      elsif I mod 5 = 0 then
         Put_Line("Buzz");
      elsif I mod 3 = 0 then
         Put_Line("Fizz");
      else
         Put_Line(Integer'Image(I));
      end if;
   end loop;
end Fizzbuzz;

Agda

module FizzBuzz where
open import Agda.Builtin.IO using (IO)
open import Agda.Builtin.Unit renaming ( to Unit)
open import Data.Bool using (Bool ; false ; true ; if_then_else_)
open import Data.Nat using ( ; zero ; suc ; _≡ᵇ_ ; _%_)
open import Data.Nat.Show using (show)
open import Data.List using (List ; [] ; _∷_ ; map)
open import Data.String using (String ; _++_ ; unlines)
postulate putStrLn : String -> IO Unit
{-# FOREIGN GHC import qualified Data.Text as T #-}
{-# COMPILE GHC putStrLn = putStrLn . T.unpack #-}
fizz : String
fizz = "Fizz"
buzz : String
buzz = "Buzz"
_isDivisibleBy_ : (n : ) -> (m : ) -> Bool
n isDivisibleBy zero = false
n isDivisibleBy (suc k) = ((n % (suc k)) ≡ᵇ 0)
getTerm : (n : ) -> String
getTerm n =
  if (n isDivisibleBy 15) then (fizz ++ buzz)
  else if (n isDivisibleBy 3) then fizz
  else if (n isDivisibleBy 5) then buzz
  else (show n)
range : (a : ) -> (b : ) -> List ()
range k zero = []
range k (suc m) = k  (range (suc k) m)
getTerms : (n : ) -> List (String)
getTerms n = map getTerm (range 1 n)
fizzBuzz : String
fizzBuzz = unlines (getTerms 100)
main : IO Unit
main = putStrLn fizzBuzz

AlexScript

dla niech n = 1; 101; 1 {
    jesli (n % 15) == 0 {
        pokazl "FizzBuzz"
    } albojesli (n % 3) == 0 {
        pokazl "Fizz"
    } albojesli (n % 5) == 0 {
        pokazl "Buzz"
    } albo {
        pokazl n
    }
}

ALGOL 68

main:(
  FOR i TO 100 DO
    printf(($gl$,
      IF i %* 15 = 0 THEN
        "FizzBuzz"
      ELIF i %* 3 = 0 THEN
        "Fizz"
      ELIF i %* 5 = 0 THEN
        "Buzz"
      ELSE
        i
      FI
    ))
  OD
)

or simply:

FOR i TO 100 DO print(((i%*15=0|"FizzBuzz"|:i%*3=0|"Fizz"|:i%*5=0|"Buzz"|i),new line)) OD

or only testing for divisibility by 3 and 5 (AND does not shortcut in Algol 68), as suggested in the #NewLISP second sample:

FOR i TO 100 DO
    IF  IF i MOD 3 = 0 THEN print( "Fizz" ); FALSE ELSE TRUE FI
    AND IF i MOD 5 = 0 THEN print( "Buzz" ); FALSE ELSE TRUE FI
    THEN
        print( ( whole( i, 0 ) ) )
    FI;
    print( ( newline ) )
OD

ALGOL-M

BEGIN
INTEGER FUNCTION DIVBY(N, D);
INTEGER N;
INTEGER D;
BEGIN
  DIVBY := 1 - (N - D * (N / D));
END;
INTEGER I;
FOR I := 1 STEP 1 UNTIL 100 DO
BEGIN
  IF DIVBY(I, 15) = 1 THEN
    WRITE("FizzBuzz")
  ELSE IF DIVBY(I, 5) = 1 THEN
    WRITE("Buzz")
  ELSE IF DIVBY(I, 3) = 1 THEN
    WRITE("Fizz")
  ELSE
    WRITE(I);
END;
END

ALGOL W

begin
    i_w := 1; % set integers to print in minimum space %
    for i := 1 until 100 do begin
        if      i rem 15 = 0 then write( "FizzBuzz" )
        else if i rem  5 = 0 then write( "Buzz" )
        else if i rem  3 = 0 then write( "Fizz" )
        else                      write( i )
    end for_i
end.

ANSI BASIC

See FizzBuzz/Basic

AntLang

n:{1+ x}map range[100]
s:{a:0eq x mod 3;b:0eq x mod 5;concat apply{1elem x}map{0elem x}hfilter seq[1- max[a;b];a;b]merge seq[str[x];"Fizz";"Buzz"]}map n
echo map s

APEX

for(integer i=1; i <= 100; i++){
    String output = '';
    if(math.mod(i, 3) == 0) output += 'Fizz';
    if(math.mod(i, 5) == 0) output += 'Buzz';
    if(output != ''){
        System.debug(output);
    } else {
        System.debug(i);
    }
}

APL

"One number at a time" solutions

⎕io1
{'Fizz' 'Buzz'/⍨d,⍱/d0=3 5|}¨100

Explanation:

⎕io←1                                   Set the index origin to 1; if it were set to 0, the next
                                        step would count from 0 to 99 instead of 1 to 100.
{                                }¨⍳100 Do the thing in braces for each integer from 1 through 100.
                            3 5|⍵       Make a list of the remainders when the current number is
                                        divided by 3 and 5.
                        d←0=            Make it a Boolean vector: true for remainder=0, false
                                        otherwise. Name it d.
                    d,⍱/                Prepend d to the result of reducing itself with NOR,
                                        yielding a three-element Boolean vector. The first element
                                        is true if the number is divisible by 3; the second if it's
                                        divisible by 5; and the third only if it's divisible by
                                        neither.
    'Fizz' 'Buzz'⍵/⍨                    Use the Boolean vector as a mask to select elements from
                                        a new triple consisting of 'Fizz', 'Buzz', and the current
                                        number. Each of the three elements will be included in the
                                        selection only if the corresponding Boolean is true.
   ∊                                    Combine the selected elements into one vector/string
 ⎕←                                     And print it out.

You may want to prepend `⍬⊣` to the whole thing in GNU to keep it from returning the list as the value of the expression, causing the interpreter to print it out a second time.

{ 'Fizz' 'Buzz' 'FizzBuzz'[20=5 3|]}¨1+⍳100

A slightly different version that works both in Dyalog and GNU APL -- credit to Aniket Bhattacharyea, posted on codeburst.io (https://codeburst.io/fizzbuzz-in-apl-a193d1954b4b):

{('FizzBuzz' 'Fizz' 'Buzz',)[(0=15 3 5|)1]}¨100

"Whole array at once" solutions

Slightly different approach that makes use of the Decode function (⊥):

⎕IO0
A[I]1+I(0A)/⍳⍴A('FIZZBUZZ' 'FIZZ' 'BUZZ' 0)[2¨×(3 5)|¨1+⍳100]

The idea here is to first calculate the residues for all numbers 1..100 after division with both 3 and 5. This generates 100 pairs of numbers a b, where a is either 0,1,2 and b is either 0,1,2,3,4.

These pairs are then put through the sign function which returns 0 for a 0, and a 1 for anything greater than 0. Now we have binary pairs. The binary pairs are encoded with a left argument of 2 resulting in 0,1,2,3. These are treated as indices for the "FizzBuzz vector" where 0 is in position 3.

Variable A holds this new vector of words and zeros. Variable I is assigned the zeros' positions. Finally A[I] is replaced with corresponding indices.

If you have an aversion against mixed vectors, consider inserting ⍕¨ before the final (i.e. left-most) assignment.

A longer one-liner:

⎕IO0
(L,'Fizz' 'Buzz' 'FizzBuzz')[¯1+(L×W=0)+W(100×0W)+W⊃+/1 2×0=3 5|⊂L1+⍳100]

Or equivalently, using At (@) (available in the Dyalog and April dialects) for replacement:

⎕IO0
(L,'Fizz' 'Buzz' 'FizzBuzz')[¯1+(100+W[I])@(I0W⊃+/1 2×0=3 5|⊂L)L1+⍳100]

This version processes the entire array in a single pass rather than using "each". It calculates the residues; then effectively decodes them by base-2 to give numbers in the range [0,3]; then it offsets each non-zero number by 99; then it splices this array with the original numbers 1 through 100. Here are some indices of the final index vector V next to their values :

1 2   3 4   5   6 7 8   9  10 11  12 13 14  15 16 ... ⍝ L (1+⍳100)
0 0   2 0   1   2 0 0   2   1  0   2  0  0   3  0 ... ⍝ W (decoded residues)
0 1 101 3 100 101 6 7 101 100 10 101 12 13 102 15 ... ⍝ final index vector

Finally this vector is used to index into a 103-length vector consisting of the 100 numbers followed by the FizzBuzz strings. Each number indexes to itself (well, almost; off by one), except that those that are divisible by 3 and/or 5 are offset by 100, into the FizzBuzz strings.

Yet another solution, excessively commented:

(and Dyalog, with ⎕ML ← 2)

     sv  fizzbuzz n; t;d
[1]   ⍝⍝ Solve the popular 'fizzbuzz' problem in APL.
[2]   ⍝⍝ \param n - highest number to compute (≥0)
[3]   ⍝⍝ \returns sv - a vector of strings representing the fizzbuzz solution for ⍳n
[4]   ⍝⍝     (note we return a string vector to avoid a mixed-type result; remove the
[5]   ⍝⍝     ⍕ function from the (⍕t[⍵]) term to see the difference).
[6]   ⍝⍝⍝⍝
[7]   tn   ⍝ the sequence 1..n itself which we'll pick from
[8]   ⍝  ... or the words 'fizz', 'buzz', 'fizzbuzz' depending on
[9]   ⍝  ... divisibility by 3 and/or 5
[10]  ⍝⎕←t   ⍝ (Uncomment to see during call)
[11] 
[12]  d1+(+  {((0=3|)) (2×(0=5|))} n)
[13]  ⍝ || || | |                     | ↓↓
[14]  ⍝ || || | |                     | ⍳n: generate range (1..n)
[15]  ⍝ || || | ↓.....................↓                 ↓↓
[16]  ⍝ || || | A dfn (lambda) taking its right arg (⍵, ⍳n here) to compute two boolean
[17]  ⍝ || || |   vectors(v12): divisibility by 3 and 5, respectively, for each of ⍳n
[18]  ⍝ || || ↓
[19]  ⍝ || || ⊃: Disclose ('lift-up' and pad w/zeros) the 'ragged' matrix of vectors (v12)
[20]  ⍝ || ||    holding divisibility by 3 and 5 of each ⍳n
[21]  ⍝ || ↓↓
[22]  ⍝ || +⌿: Sum (v12) row-wise to count divisibility (0=neither 3 nor 5, 1=3, 2=3 and 5)
[23]  ⍝ ↓↓
[24]  ⍝ 1+: Add one to (v12) to make them 1-based for indexing below:
[25]  ⍝⎕←d
[26] 
[27]  sv  { ((t[]) 'Fizz' 'Buzz' 'FizzBuzz') [d[]]}¨ n
[28]  ⍝    | |                                | |    | |
[29]  ⍝    | |                                | ↓....↓ |
[30]  ⍝    | |................................↓  idx   |
[31]  ⍝    | (      lookup output vector      )        |
[32]  ⍝    ↓...........................................↓
[33]  ⍝    A dfn (lambda) taking as its right arg (⍵) ⍳n and using the 'each' (¨)
[34]  ⍝      operator to apply the lambda to each (idx) of ⍳n.
[35] 
[36]  ⍝⍝ USAGE
[37]  ⍝⍝ ⎕ ← ,fizzbuzz 15
[38]  ⍝ 1 2 Fizz 4 Buzz Fizz 7 8 Fizz Buzz 11 Fizz 13 14 FizzBuzz
    

AppleScript

Procedural

property outputText: ""
repeat with i from 1 to 100
  if i mod 15 = 0 then
    set outputText to outputText & "FizzBuzz"
  else if i mod 3 = 0 then
    set outputText to outputText & "Fizz"
  else if i mod 5 = 0 then
    set outputText to outputText & "Buzz"
  else
    set outputText to outputText & i
  end if
  set outputText to outputText & linefeed
end repeat
outputText

If this were a useful task requiring a degree of efficiency, it would be better to replace the cumulative text concatenations with additions to a fast-to-access list and coerce this list to text in one go at the end. Less critically, the (i mod … = 0) tests could be nested to reduce the number of these performed from 261 to 200:

on fizzBuzz(n)
    script o
        property output : {}
    end script
    repeat with i from 1 to n
        if (i mod 3 = 0) then
            if (i mod 15 = 0) then
                set end of o's output to "FizzBuzz"
            else
                set end of o's output to "Fizz"
            end if
        else if (i mod 5 = 0) then
            set end of o's output to "Buzz"
        else
            set end of o's output to i
        end if
    end repeat
    set astid to AppleScript's text item delimiters
    set AppleScript's text item delimiters to linefeed
    set output to o's output as text
    set AppleScript's text item delimiters to astid
    return output
end fizzBuzz
fizzBuzz(100)

Another alternative would be simply to fill the list with numbers and then go through it again three times overwriting the relevant slots with the appropriate words:

on fizzBuzz(n)
    script o
        property output : {}
    end script
    repeat with i from 1 to n
        set end of o's output to i
    end repeat
    repeat with x in {{3, "Fizz"}, {5, "Buzz"}, {15, "FizzBuzz"}}
        set {m, t} to x
        repeat with i from m to n by m
            set item i of o's output to t
        end repeat
    end repeat
    set astid to AppleScript's text item delimiters
    set AppleScript's text item delimiters to linefeed
    set output to o's output as text
    set AppleScript's text item delimiters to astid
    return output
end fizzBuzz
fizzBuzz(100)

With the number of numbers raised from 100 to 10,000, the two scripts inserted here take around 0.051 seconds to execute on my current machine, the original AppleScript above around 0.25 seconds, and the one below (originally described as "functional composition") 3.52 seconds.


Functional

For simplicity, and more efficient use of the scripter's time:

------------------------- FIZZBUZZ -------------------------
-- fizz :: Int -> Bool
on fizz(n)
    n mod 3 = 0
end fizz
-- buzz :: Int -> Bool
on buzz(n)
    n mod 5 = 0
end buzz
-- fizzAndBuzz :: Int -> Bool
on fizzAndBuzz(n)
    n mod 15 = 0
end fizzAndBuzz
-- fizzBuzz :: Int -> String
on fizzBuzz(x)
    caseOf(x, [[my fizzAndBuzz, "FizzBuzz"], ¬
        [my fizz, "Fizz"], ¬
        [my buzz, "Buzz"]], x as string)
end fizzBuzz
--------------------------- TEST ---------------------------
on run
    intercalate(linefeed, ¬
        map(fizzBuzz, enumFromTo(1, 100)))
end run
-------------------- GENERIC FUNCTIONS ---------------------
-- caseOf :: a -> [(predicate, b)] -> Maybe b -> Maybe b
on caseOf(e, lstPV, default)
    repeat with lstCase in lstPV
        set {p, v} to contents of lstCase
        if mReturn(p)'s |λ|(e) then return v
    end repeat
    return default
end caseOf
-- enumFromTo :: Int -> Int -> [Int]
on enumFromTo(m, n)
    if m > n then
        set d to -1
    else
        set d to 1
    end if
    set lst to {}
    repeat with i from m to n by d
        set end of lst to i
    end repeat
    return lst
end enumFromTo
-- intercalate :: Text -> [Text] -> Text
on intercalate(strText, lstText)
    set {dlm, my text item delimiters} to {my text item delimiters, strText}
    set strJoined to lstText as text
    set my text item delimiters to dlm
    return strJoined
end intercalate
-- map :: (a -> b) -> [a] -> [b]
on map(f, xs)
    tell mReturn(f)
        set lng to length of xs
        set lst to {}
        repeat with i from 1 to lng
            set end of lst to |λ|(item i of xs, i, xs)
        end repeat
        return lst
    end tell
end map
-- Lift 2nd class handler function into 1st class script wrapper 
-- mReturn :: Handler -> Script
on mReturn(f)
    if class of f is script then
        f
    else
        script
            property |λ| : f
        end script
    end if
end mReturn

Applesoft BASIC

See FizzBuzz/Basic

Arbre

fizzbuzz():
  for x in [1..100]
    if x%5==0 and x%3==0
      return "FizzBuzz"
    else
      if x%3==0
        return "Fizz"
      else
        if x%5==0
          return "Buzz"
        else
           return x
main():
  fizzbuzz() -> io

Arc

Arc 3.1 Base

(for n 1 100
  (prn:if
    (multiple n 15) 'FizzBuzz
    (multiple n 5) 'Buzz
    (multiple n 3) 'Fizz
    n))
(for n 1 100 
     (prn:check (string (when (multiple n 3) 'Fizz) 
                        (when (multiple n 5) 'Buzz)) 
                ~empty n)) ; check created string not empty, else return n

Waterhouse Arc

(for n 1 100
  (prn:case (gcd n 15)
    1 n
    3 'Fizz
    5 'Buzz
      'FizzBuzz))

ArkScript

(import std.Range)
(let r (range:range 0 100))
(range:forEach r
  (fun (e)
    (if (= 0 (mod e 15))
      (print "FizzBuzz")
      (if (= 0 (mod e 3))
        (print "Fizz")
        (if (= 0 (mod e 5))
          (print "Buzz")
          (print e))))))

ARM Assembly

/ * linux GAS */
.global _start
.data
Fizz: .ascii "Fizz\n"
Buzz: .ascii "Buzz\n"
FizzAndBuzz: .ascii "FizzBuzz\n"
numstr_buffer: .skip 3
newLine: .ascii "\n"
.text
_start:
  bl FizzBuzz
  mov r7, #1
  mov r0, #0
  svc #0
FizzBuzz:
  push {lr}
  mov r9, #100
  fizzbuzz_loop:
    mov r0, r9
    mov r1, #15
    bl divide
    cmp r1, #0
    ldreq r1, =FizzAndBuzz
    moveq r2, #9
    beq fizzbuzz_print
    mov r0, r9
    mov r1, #3
    bl divide
    cmp r1, #0
    ldreq r1, =Fizz
    moveq r2, #5
    beq fizzbuzz_print
    mov r0, r9
    mov r1, #5
    bl divide
    cmp r1, #0
    ldreq r1, =Buzz
    moveq r2, #5
    beq fizzbuzz_print
    mov r0, r9
    bl make_num
    mov r2, r1
    mov r1, r0
    fizzbuzz_print:
      mov r0, #1
      mov r7, #4
      svc #0
      sub r9, #1
      cmp r9, #0
    bgt fizzbuzz_loop
  pop {lr}
  mov pc, lr
make_num:
  push {lr}
  ldr r4, =numstr_buffer
  mov r5, #4
  mov r6, #1
  mov r1, #100
  bl divide
  cmp r0, #0
  subeq r5, #1
  movne r6, #0
  add r0, #48
  strb r0, [r4, #0]
  mov r0, r1
  mov r1, #10
  bl divide
  cmp r0, #0
  movne r6, #0
  cmp r6, #1
  subeq r5, #1
  add r0, #48
  strb r0, [r4, #1]
  add r1, #48
  strb r1, [r4, #2]
  mov r2, #4
  sub r0, r2, r5
  add r0, r4, r0
  mov r1, r5
  pop {lr}
  mov pc, lr
divide:
  udiv r2, r0, r1
  mul r3, r1, r2
  sub r1, r0, r3
  mov r0, r2
  mov pc, lr

Arturo

loop 1..100 [x][
	when [
		zero? x % 15 	-> print "FizzBuzz"
		zero? x % 3		-> print "Fizz"
		zero? x % 5  	-> print "Buzz"
		true   			-> print x
	]
]
Output:
1
2
Fizz
4
Buzz
Fizz
7
8
Fizz
Buzz
11
Fizz
13
14
FizzBuzz
16
17
Fizz
19
Buzz
Fizz
22
23
Fizz
Buzz
26
Fizz
28
29
FizzBuzz
31
32
Fizz
34
Buzz
Fizz
37
38
Fizz
Buzz
41
Fizz
43
44
FizzBuzz
46
47
Fizz
49
Buzz
Fizz
52
53
Fizz
Buzz
56
Fizz
58
59
FizzBuzz
61
62
Fizz
64
Buzz
Fizz
67
68
Fizz
Buzz
71
Fizz
73
74
FizzBuzz
76
77
Fizz
79
Buzz
Fizz
82
83
Fizz
Buzz
86
Fizz
88
89
FizzBuzz
91
92
Fizz
94
Buzz
Fizz
97
98
Fizz
Buzz

AsciiDots

See FizzBuzz/EsoLang#AsciiDots

ASIC

See FizzBuzz/Basic

Asymptote

for(int number = 1; number <= 100; ++number) {
    if (number % 15 == 0) {
        write("FizzBuzz");
    } else {
      if (number % 3 == 0) {
        write("Fizz");
    } else {
        if (number % 5 == 0) {
        write("Buzz");
    } else {
        write(number);
           }
        }
    }
}

ATS

#include "share/atspre_staload.hats"
implement main0() = loop(1, 100) where {
  fun loop(from: int, to: int): void =
    if from > to then () else
    let
      val by3 = (from % 3 = 0)
      val by5 = (from % 5 = 0)
    in
      case+ (by3, by5) of
      | (true, true) => print_string("FizzBuzz")
      | (true, false) => print_string("Fizz")
      | (false, true) => print_string("Buzz")
      | (false, false) => print_int(from);
      print_newline();
      loop(from+1, to)
    end
}

AutoHotkey

Search autohotkey.com: [1]

Loop, 100
{
  If (Mod(A_Index, 15) = 0)
    output .= "FizzBuzz`n"
  Else If (Mod(A_Index, 3) = 0)
    output .= "Fizz`n"
  Else If (Mod(A_Index, 5) = 0)
    output .= "Buzz`n"
  Else
    output .= A_Index "`n"
}
FileDelete, output.txt
FileAppend, %output%, output.txt
Run, cmd /k type output.txt

A short example with cascading ternary operators and graphical output. Press Esc to close the window.

Gui, Add, Edit, r20
Gui,Show
Loop, 100
  Send, % (!Mod(A_Index, 15) ? "FizzBuzz" : !Mod(A_Index, 3) ? "Fizz" : !Mod(A_Index, 5) ? "Buzz" : A_Index) "`n"
Return
Esc::
ExitApp

AutoIt

Example1

Output via MsgBox():

For $i = 1 To 100
	If Mod($i, 15) = 0 Then
		MsgBox(0, "FizzBuzz", "FizzBuzz")
	ElseIf Mod($i, 5) = 0 Then
		MsgBox(0, "FizzBuzz", "Buzz")
	ElseIf Mod($i, 3) = 0 Then
		MsgBox(0, "FizzBuzz", "Fizz")
	Else
		MsgBox(0, "FizzBuzz", $i)
	EndIf
Next

Example2

Output via console, logfile and/or messagebox:

#include <Constants.au3>
; uncomment how you want to do the output
Func Out($Msg)
	ConsoleWrite($Msg & @CRLF)
;~	FileWriteLine("FizzBuzz.Log", $Msg)
;~ 	$Btn = MsgBox($MB_OKCANCEL + $MB_ICONINFORMATION, "FizzBuzz", $Msg)
;~ 	If $Btn > 1 Then Exit	; Pressing 'Cancel'-button aborts the program
EndFunc   ;==>Out
Out("# FizzBuzz:")
For $i = 1 To 100
	If Mod($i, 15) = 0 Then
		Out("FizzBuzz")
	ElseIf Mod($i, 5) = 0 Then
		Out("Buzz")
	ElseIf Mod($i, 3) = 0 Then
		Out("Fizz")
	Else
		Out($i)
	EndIf
Next
Out("# Done.")

Avail

For each i from 1 to 100 do [
    Print:
        if i mod 15 = 0 then ["FizzBuzz"]
        else if i mod 3 = 0 then ["Fizz"]
        else if i mod 5 = 0 then ["Buzz"]
        else [“i”]
        ++ "\n";
];

AWK

See FizzBuzz/AWK

Axe

For(I,1,100)
!If I^3??I^5
 Disp "FIZZBUZZ",i
Else!If I^3
 Disp "FIZZ",i
Else!If I^5
 Disp "BUZZ",i
Else
 Disp I▶Dec,i
End
.Pause to allow the user to actually read the output
Pause 1000
End

Babel

main:
     { { iter 1 + dup
        15 %
            { "FizzBuzz" <<
                zap }
            { dup
            3 %
                { "Fizz" <<
                    zap }
                { dup
                5 %
                    { "Buzz" <<
                        zap}
                    { %d << }
                if }
            if }
        if
        "\n" << }
    100 times }

BabyCobol

      * NB: ANY does not exist in BabyCobol so the elegant
      * EVALUATE-based COBOL-style solution is impossible here.
      * Note the subtly unbalanced IF/ENDs yet valid END at the end.
       IDENTIFICATION DIVISION.
       PROGRAM-ID. FIZZBUZZ.
       DATA DIVISION.
       01 INT PICTURE IS 9(3).
       01 REM LIKE INT.
       01 TMP LIKE INT.
       PROCEDURE DIVISION.
           LOOP VARYING INT TO 100
               DIVIDE 3 INTO INT GIVING TMP REMAINDER REM
               IF REM = 0
               THEN DISPLAY "Fizz" WITH NO ADVANCING
               DIVIDE 5 INTO INT GIVING TMP REMAINDER REM
               IF REM = 0
               THEN DISPLAY "Buzz" WITH NO ADVANCING
               DIVIDE 15 INTO INT GIVING TMP REMAINDER REM
               IF REM = 0
               THEN DISPLAY ""
               ELSE DISPLAY INT
           END.

BaCon

See FizzBuzz/Basic#BaCon

bash

Any bash hacker would do this as a one liner at the shell, so...

for n in {1..100}; do ((( n % 15 == 0 )) && echo 'FizzBuzz') || ((( n % 5 == 0 )) && echo 'Buzz') || ((( n % 3 == 0 )) && echo 'Fizz') || echo $n; done

For the sake of readability...

for n in {1..100}; do
  ((( n % 15 == 0 )) && echo 'FizzBuzz') ||
  ((( n % 5 == 0 )) && echo 'Buzz') ||
  ((( n % 3 == 0 )) && echo 'Fizz') ||
  echo $n;
done

Here's a very concise approach, with only 75 characters total. Unfortunately it relies on aspects of Bash which are rarely used.

for i in {1..100};do((i%3))&&x=||x=Fizz;((i%5))||x+=Buzz;echo ${x:-$i};done

Here's the concise approach again, this time separated into multiple lines.

# FizzBuzz in Bash.  A concise version, but with verbose comments.
for i in {1..100} # Use i to loop from "1" to "100", inclusive.
do  ((i % 3)) &&  # If i is not divisible by 3...
        x= ||     # ...blank out x (yes, "x= " does that).  Otherwise,...
        x=Fizz    # ...set (not append) x to the string "Fizz".
    ((i % 5)) ||  # If i is not divisible by 5, skip (there's no "&&")...
        x+=Buzz   # ...Otherwise, append (not set) the string "Buzz" to x.
   echo ${x:-$i}  # Print x unless it is blanked out.  Otherwise, print i.
done

It's a bit silly to optimize such a small & fast program, but for the sake of algorithm analysis it's worth noting that the concise approach is reasonably efficient in several ways. Each divisibility test appears in the code exactly once, only two variables are created, and the approach avoids setting variables unnecessarily. As far as I can tell, the divisibility tests only fire the minimum number of times required for the general case (e.g. where the 100/3/5 constants can be changed), unless you introduce more variables and test types. Corrections invited. I avoided analyzing the non-general case where 100/3/5 never change, because one "optimal" solution is to simply print the pre-computed answer,

BASIC

See FizzBuzz/Basic

Basic09

See FizzBuzz/Basic

BASIC256

See FizzBuzz/Basic

Ballerina

// https://rosettacode.org/wiki/FizzBuzz
import ballerina/io;
public function main() {
    foreach int i in int:range(1,101,1) {
        if i % 15 == 0 {
            io:println("FizzBuzz");
        } else if i % 5 == 0 {
            io:println("Buzz");
        } else if i % 3 == 0 {
            io:println("Fizz");
        } else {
            io:println(i);
        }
    }
}
Output:
1
2
Fizz
4
Buzz
Fizz
7
8
Fizz
Buzz
11
Fizz
13
14
FizzBuzz
16
17
Fizz
19
Buzz
Fizz
22
23
Fizz
Buzz
26
Fizz
28
29
FizzBuzz
31
32
Fizz
34
Buzz
Fizz
37
38
Fizz
Buzz
41
Fizz
43
44
FizzBuzz
46
47
Fizz
49
Buzz
Fizz
52
53
Fizz
Buzz
56
Fizz
58
59
FizzBuzz
61
62
Fizz
64
Buzz
Fizz
67
68
Fizz
Buzz
71
Fizz
73
74
FizzBuzz
76
77
Fizz
79
Buzz
Fizz
82
83
Fizz
Buzz
86
Fizz
88
89
FizzBuzz
91
92
Fizz
94
Buzz
Fizz
97
98
Fizz
Buzz

Batch File

FOR /L version:

@echo off
for /L %%i in (1,1,100) do call :tester %%i
goto :eof
:tester
  set /a test = %1 %% 15
  if %test% NEQ 0 goto :NotFizzBuzz
  echo FizzBuzz
  goto :eof
:NotFizzBuzz
  set /a test = %1 %% 5
  if %test% NEQ 0 goto :NotBuzz
  echo Buzz
  goto :eof
:NotBuzz
  set /a test = %1 %% 3
  if %test% NEQ 0 goto :NotFizz
  echo Fizz
  goto :eof
:NotFizz
  echo %1

Loop version:

@echo off
set n=1
:loop
  call :tester %n%
  set /a n += 1
  if %n% LSS 101 goto loop
  goto :eof
:tester
  set /a test = %1 %% 15
  if %test% NEQ 0 goto :NotFizzBuzz
  echo FizzBuzz
  goto :eof
:NotFizzBuzz
  set /a test = %1 %% 5
  if %test% NEQ 0 goto :NotBuzz
  echo Buzz
  goto :eof
:NotBuzz
  set /a test = %1 %% 3
  if %test% NEQ 0 goto :NotFizz
  echo Fizz
  goto :eof
:NotFizz
  echo %1

FOR /L with a block instead of very-high-overhead subroutine call:

@echo off & setlocal enabledelayedexpansion
for /l %%i in (1,1,100) do (
  set /a m5=%%i %% 5
  set /a m3=%%i %% 3
  set s=
  if !m5! equ 0 set s=!s!Fizz
  if !m3! equ 0 set s=!s!Buzz
  if "!s!"=="" set s=%%i
  echo !s!
)

Another For /L solution:

@echo off
setlocal enableextensions enabledelayedexpansion
for /L %%i in (1,1,100) do (
  set /a "fizz=%%i%%3, buzz=%%i%%5, fizzbuzz=fizz+buzz" %= or fizzbuzz=%%i%%15 =%
  if "!fizzbuzz!"=="0" (echo FizzBuzz
  ) else (if "!fizz!"=="0" (echo Fizz
  ) else (if "!buzz!"=="0" (echo Buzz) else (echo %%i)))
)

BazzBasic

' ============================================
' FizzBuzz - BazzBasic Edition
' https://rosettacode.org/wiki/FizzBuzz
' BazzBasic: https://github.com/EkBass/BazzBasic
' ============================================
' Print numbers 1 to 100.
' Multiples of 3  -> "Fizz"
' Multiples of 5  -> "Buzz"
' Multiples of both -> "FizzBuzz"
' ============================================
[main]
    FOR n$ = 1 TO 100
        IF MOD(n$, 15) = 0 THEN
            PRINT "FizzBuzz"
        ELSEIF MOD(n$, 3) = 0 THEN
            PRINT "Fizz"
        ELSEIF MOD(n$, 5) = 0 THEN
            PRINT "Buzz"
        ELSE
            PRINT n$
        END IF
    NEXT
END
' Output (first 20 lines):
' 1
' 2
' Fizz
' 4
' Buzz
' Fizz
' 7
' 8
' Fizz
' Buzz
' 11
' Fizz
' 13
' 14
' FizzBuzz
' 16
' 17
' Fizz
' 19
' Buzz

BBC BASIC

See FizzBuzz/Basic

bc

This solution never uses else , because bc has no else keyword (but some implementations add else as an extension).

for (i = 1; i <= 100; i++) {
	w = 0
	if (i % 3 == 0) { "Fizz"; w = 1; }
	if (i % 5 == 0) { "Buzz"; w = 1; }
	if (w == 0) i
	if (w == 1) "
"
}
quit

BCPL

GET "libhdr"
LET start() BE $(
    FOR i=1 TO 100 DO $(
        TEST (i REM 15) = 0 THEN
            writes("FizzBuzz")
        ELSE TEST (i REM 3) = 0 THEN
            writes("Fizz")
        ELSE TEST (i REM 5) = 0 THEN
            writes("Buzz")
        ELSE
            writen(i, 0)
        newline()
    $)
$)

beeswax

Also see on FizzBuzz/EsoLang

“Ordinary” FizzBuzz solution:

               >     q
        >@F5~%"d@F{  >  @F     q
_1>F3~%'d`Fizz`@F5~%'d >`Buzz`@FNp
  ;bL@~.~4~.5~5@                P<


Example without double mod 5 check, using a flag instead, to check if Fizz already got printed (in this case the number n must not be printed if mod 5 is > 0):

                            >@?q
         >      q       >Ag'd@{?p
_>"1F3~%'d`Fizz`f>@F5~%'d`Buzz`@p
  b            P~;"-~@~.+0~P9@N?<

Befunge

See FizzBuzz/EsoLang

blz

for i = 0; i <= 100; i++
    out = ""
    if i % 3 == 0
        out = "Fizz"
    end
    if i % 5 == 0
        out = out + "Buzz"
    end
    if out == ""
        out = i
    end
    print(out)
end

Boo

def fizzbuzz(size):
    for i in range(1, size):
        if i%15 == 0:
            print 'FizzBuzz'
        elif i%5 == 0:
            print 'Buzz'
        elif i%3 == 0:
            print 'Fizz'
        else:
            print i
fizzbuzz(101)

BQN

(´"Fizz""Buzz"/˜·(¬∨´)0=35|⊢)¨1+↕100

Using the Catch modifier for flow control

((´"fizz""buzz"/˜0=35|⊢))¨1+↕100

Using the Choose combinator with a rank-2 array

(35 (0=|)["fizz","buzz""fizzbuzz"] )¨ 1+↕100

Bracmat

0:?i&whl'(1+!i:<101:?i&out$(mod$(!i.3):0&(mod$(!i.5):0&FizzBuzz|Fizz)|mod$(!i.5):0&Buzz|!i))

Same code, pretty printed:

  0:?i
&   whl
  ' ( 1+!i:<101:?i
    &   out
      $ (   mod$(!i.3):0
          & ( mod$(!i.5):0&FizzBuzz
            | Fizz
            )
        | mod$(!i.5):0&Buzz
        | !i
        )
    )

Brainf***

See FizzBuzz/EsoLang

Brat

1.to 100 { n |
  true? n % 15 == 0
    { p "FizzBuzz" }
    { true? n % 3 == 0
      { p "Fizz" }
      { true? n % 5 == 0
        { p "Buzz" }
        { p n }
      }
    }
  }

BrightScript (for Roku)

FOR i = 1 TO 100
	fz = i MOD 3 = 0
	bz = i MOD 5 = 0
	IF fz OR bz
		IF fz AND NOT bz: str = "Fizz"
		ELSEIF bz AND NOT fz: str = "Buzz"
		ELSE str = "FizzBuzz"
		END IF
	ELSE
		str = i.ToStr()
	END IF
	? str
END FOR

Bruijn

:import std/Combinator .
:import std/String .
:import std/Number .
main [y [[0 =? (+101) case-end case-rec]] (+1)]
	case-rec str ++ "\n" ++ (1 ++0)
		str fizzbuzz "FizzBuzz" (fizz "Fizz" (buzz "Buzz" (number→string 0)))
			fizz =?(0 % (+3))
			buzz =?(0 % (+5))
			fizzbuzz fizz buzz fizz
	case-end empty

C

For 2 prime numbers and based on a similar minimal JavaScript solution with low signal-to-noise, the C code is:

  int i = 0 ;  char B[88] ;
  while ( i++ < 100 )
    !sprintf( B, "%s%s", i%3 ? "":"Fizz", i%5 ? "":"Buzz" )
    ? sprintf( B, "%d", i ):0, printf( ", %s", B );

With 4 prime numbers:

  int i = 0 ;  char B[88] ;
  while ( i++ < 100 )
    !sprintf( B, "%s%s%s%s", 
       i%3 ? "":"Fiz", i%5 ? "":"Buz", i%7 ? "":"Goz", i%11 ? "":"Kaz" )
    ? sprintf( B, "%d", i ):0, printf( ", %s", B );
Output: ..., 89, FizBuz, Goz, 92, Fiz, 94, Buz, Fiz, 97, Goz, FizKaz, Buz

One line version, with pretty printing

#include <stdio.h>
int main() {
  for (int i=1; i<=105; i++) if (i%3 && i%5) printf("%3d ", i); else printf("%s%s%s", i%3?"":"Fizz", i%5?"":"Buzz", i%15?" ":"\n");
}

This actually works (the array init part, saves 6 bytes of static data, whee):

#include<stdio.h>
 
int main ()
{
  int i;
  const char *s[] = { "%d\n", "Fizz\n", s[3] + 4, "FizzBuzz\n" };
  for (i = 1; i <= 100; i++)
    printf(s[!(i % 3) + 2 * !(i % 5)], i);
  return 0;
}
#include<stdio.h>
int main (void)
{
    int i;
    for (i = 1; i <= 100; i++)
    {
        if (!(i % 15))
            printf ("FizzBuzz");
        else if (!(i % 3))
            printf ("Fizz");
        else if (!(i % 5))
            printf ("Buzz");
        else
            printf ("%d", i);
        printf("\n");
    }
    return 0;
}

Implicit int main and return 0 (C99+):

#include <stdio.h>
 
main() {
  int i = 1;
  while(i <= 100) {
    if(i % 15 == 0)
      puts("FizzBuzz");
    else if(i % 3 == 0)
      puts("Fizz");
    else if(i % 5 == 0)
      puts("Buzz");
    else
      printf("%d\n", i);
    i++;
  }
}

obfuscated:

#include <stdio.h>
#define F(x,y) printf("%s",i%x?"":#y"zz")
int main(int i){for(--i;i++^100;puts(""))F(3,Fi)|F(5,Bu)||printf("%i",i);return 0;}

With numbers theory:

#include <stdio.h>
int main(void)
{
    for (int i = 1; i <= 100; ++i) {
        if (i % 3 == 0) printf("fizz");
        if (i % 5 == 0) printf("buzz");
        if (i * i * i * i % 15 == 1) printf("%d", i);
        puts("");
    }
}

Without conditionals, anything in the loop body gcc compiles with branching, duplicate tests or duplicate strings. Depends on ASCII and two's complement arithmetic:

#include <stdio.h>
int main()
{
    for (int i=0;++i<101;puts(""))
    {
        char f[] = "FizzBuzz%d";
        f[8-i%5&12]=0;
        printf (f+(-i%3&4+f[8]/8), i);
    }
}

C3

Translation of: C

module rosettacode;
import std::io;
fn int main(String[] args)
{
	for (int i = 1; i <= 100; i++)
	{
		if (i % 15 == 0)
		{
			io::printn("FizzBuzz");
		}
		else if (i % 5 == 0)
		{
			io::printn("Buzz");
		}
		else if (i % 3 == 0)
		{
			io::printn("Fizz");
		}
		else
		{
			io::printn(i);
		}
	}
	return 0;
}

Carp

(defn main []
  (for [n 1 101]
    (cond
      (= (mod n 15) 0) (println* "FizzBuzz")
      (= (mod n 3) 0) (println* "Fizz")
      (= (mod n 5) 0) (println* "Buzz")
      (println* n))))

C#

class Program
{
    public void FizzBuzzGo()
    {
        Boolean Fizz = false;
        Boolean Buzz = false;
        for (int count = 1; count <= 100; count ++)
        {
            Fizz = count % 3 == 0;
            Buzz = count % 5 == 0;
            if (Fizz && Buzz)
            {
                Console.WriteLine("Fizz Buzz");
                listBox1.Items.Add("Fizz Buzz");
            }
            else if (Fizz)
            {
                Console.WriteLine("Fizz");
                listBox1.Items.Add("Fizz");
            }
            else if (Buzz)
            {
                Console.WriteLine("Buzz");
                listBox1.Items.Add("Buzz");
            }
            else
            {
                Console.WriteLine(count);
                listBox1.Items.Add(count);
            }
        }
    }
}
class Program
{
    static void Main()
    {
        for (uint i = 1; i <= 100; i++)
        {
            string s = null;
 
            if (i % 3 == 0)
                s = "Fizz";
 
            if (i % 5 == 0)
                s += "Buzz";
 
            System.Console.WriteLine(s ?? i.ToString());
        }
    }
}
using System;
using System.Linq;
namespace FizzBuzz
{
    class Program
    {
        static void Main(string[] args)
        {
            Enumerable.Range(1, 100)
                .Select(a => String.Format("{0}{1}", a % 3 == 0 ? "Fizz" : string.Empty, a % 5 == 0 ? "Buzz" : string.Empty))
                .Select((b, i) => String.IsNullOrEmpty(b) ? (i + 1).ToString() : b)
                .ToList()
                .ForEach(Console.WriteLine);
        }
    }
}
using System;
using System.Globalization;
using System.Linq;
namespace FizzBuzz
{
    class Program
    {
        static void Main()
        {
            Enumerable.Range(1, 100)
                .GroupBy(e => e % 15 == 0 ? "FizzBuzz" : e % 5 == 0 ? "Buzz" : e % 3 == 0 ? "Fizz" : string.Empty)
                .SelectMany(item => item.Select(x => new { 
                    Value = x, 
                    Display = String.IsNullOrEmpty(item.Key) ? x.ToString(CultureInfo.InvariantCulture) : item.Key 
                }))
                .OrderBy(x => x.Value)
                .Select(x => x.Display)
                .ToList()
                .ForEach(Console.WriteLine);
        }
    }
}
using System;
namespace FizzBuzz
{
    class Program
    {
        static void Main(string[] args)
        {
            for (int i = 1; i <= 100; i++)
            {
                if (i % 15 == 0)
                {
                    Console.WriteLine("FizzBuzz");
                }
                else if (i % 3 == 0)
                {
                    Console.WriteLine("Fizz");
                }
                else if (i % 5 == 0)
                {
                    Console.WriteLine("Buzz");
                }
                else
                {
                    Console.WriteLine(i);
                }
            }
        }
    }
}
using System;
using System.Globalization;
namespace Rosettacode
{
    class Program
    {
        static void Main()
        {
            for (var number = 0; number < 100; number++)
            {
                if ((number % 3) == 0 & (number % 5) == 0)
                {
                    //For numbers which are multiples of both three and five print "FizzBuzz".
                    Console.WriteLine("FizzBuzz");
                    continue;
                }
                if ((number % 3) == 0) Console.WriteLine("Fizz");
                if ((number % 5) == 0) Console.WriteLine("Buzz");
                if ((number % 3) != 0 && (number % 5) != 0) Console.WriteLine(number.ToString(CultureInfo.InvariantCulture));
                if (number % 5 == 0)
                {
                    Console.WriteLine(Environment.NewLine);
                }
            }
        }
    }
}
using System;
using System.Linq;
 
namespace FizzBuzz
{
    class Program
    {
        static void Main(string[] args)
        {
            Enumerable.Range(1, 100).ToList().ForEach(i => Console.WriteLine(i % 5 == 0 ? string.Format(i % 3 == 0 ? "Fizz{0}" : "{0}", "Buzz") : string.Format(i%3 == 0 ? "Fizz" : i.ToString())));
        }
    }
}

With C#8 switch expressions

class Program
{
    public static string FizzBuzzIt(int n) =>
        (n % 3, n % 5) switch
        {
            (0, 0) => "FizzBuzz",
            (0, _) => "Fizz",
            (_, 0) => "Buzz",
            (_, _) => $"{n}"
        };
    static void Main(string[] args)
    { 
        foreach (var n in Enumerable.Range(1, 100))
        {
            Console.WriteLine(FizzBuzzIt(n));
        }
    }
}

TDD using delegates

using System;
using System.Collections;
using System.Collections.Generic;
using System.Globalization;
using System.Linq;
using Microsoft.VisualStudio.TestTools.UnitTesting;
namespace FizzBuzz
{
    [TestClass]
    public class FizzBuzzTest
    {
        private FizzBuzz fizzBuzzer;
        [TestInitialize]
        public void Initialize()
        {
            fizzBuzzer = new FizzBuzz();
        }
        [TestMethod]
        public void Give4WillReturn4()
        {
            Assert.AreEqual("4", fizzBuzzer.FizzBuzzer(4));
        }
        [TestMethod]
        public void Give9WillReturnFizz()
        {
            Assert.AreEqual("Fizz", fizzBuzzer.FizzBuzzer(9));
        }
        [TestMethod]
        public void Give25WillReturnBuzz()
        {
            Assert.AreEqual("Buzz", fizzBuzzer.FizzBuzzer(25));
        }
        [TestMethod]
        public void Give30WillReturnFizzBuzz()
        {
            Assert.AreEqual("FizzBuzz", fizzBuzzer.FizzBuzzer(30));
        }
        [TestMethod]
        public void First15()
        {
            ICollection expected = new ArrayList
                {"1", "2", "Fizz", "4", "Buzz", "Fizz", "7", "8", "Fizz", "Buzz", "11", "Fizz", "13", "14", "FizzBuzz"};
            var actual = Enumerable.Range(1, 15).Select(x => fizzBuzzer.FizzBuzzer(x)).ToList();
            CollectionAssert.AreEqual(expected, actual);
        }
        [TestMethod]
        public void From1To100_ToShowHowToGet100()
        {
            const int expected = 100;
            var actual = Enumerable.Range(1, 100).Select(x => fizzBuzzer.FizzBuzzer(x)).ToList();
            Assert.AreEqual(expected, actual.Count);
        }
    }
    public class FizzBuzz
    {
        private delegate string Xzzer(int value);
        private readonly IList<Xzzer> _functions = new List<Xzzer>();
        public FizzBuzz()
        {
            _functions.Add(x => x % 3 == 0 ? "Fizz" : "");
            _functions.Add(x => x % 5 == 0 ? "Buzz" : "");
        }
        public string FizzBuzzer(int value)
        {
            var result = _functions.Aggregate(String.Empty, (current, function) => current + function.Invoke(value));
            return String.IsNullOrEmpty(result) ? value.ToString(CultureInfo.InvariantCulture) : result;
        }
    }
}

Good old C ways

using System;
int max = 100;
for(int i=0;
    ++i<=max; 
    Console.WriteLine("{0}{1}{2}", i%3==0 ? "Fizz" : "", i%5==0 ? "Buzz" : "", i%3!=0 && i%5!=0  ? i.ToString() : "")
){}

C++

minimal conditions

#include <iostream>
#include <chrono>
int main()
{
	int fizz = 0, buzz = 0, fizzbuzz = 0;
	bool isFizz = false;
	auto startTime = std::chrono::high_resolution_clock::now();
	for (unsigned int i = 1; i <= 4000000000; i++) {
		isFizz = false;
		if (i % 3 == 0) {
			isFizz = true;
			fizz++;
		}
		if (i % 5 == 0) {
			if (isFizz) {
				fizz--;
				fizzbuzz++;
			}
			else {
				buzz++;
			}
		}
	}
	auto endTime = std::chrono::high_resolution_clock::now();
	auto totalTime = endTime - startTime;
	printf("\t fizz : %d, buzz: %d, fizzbuzz: %d, duration %lld milliseconds\n", fizz, buzz, fizzbuzz, (totalTime / std::chrono::milliseconds(1)));
	return 0;
}

with modulo

#include <iostream>
using namespace std;
int main ()
{
       for (int i = 1; i <= 100; i++) 
       {
               if ((i % 15) == 0)
                       cout << "FizzBuzz\n";
               else if ((i % 3) == 0)
                       cout << "Fizz\n";
               else if ((i % 5) == 0)
                       cout << "Buzz\n";
               else
                       cout << i << "\n";
       }
       return 0;
}

without modulo 15

#include <iostream>
using namespace std;
int main()
{
  for (int i = 0; i <= 100; ++i)
  {
    bool fizz = (i % 3) == 0;
    bool buzz = (i % 5) == 0;
    if (fizz)
      cout << "Fizz";
    if (buzz)
      cout << "Buzz";
    if (!fizz && !buzz)
      cout << i;
    cout << "\n";
  }
  return 0;
}

without modulo

Modulo can be expensive on some architectures.

#include <iostream>
int main()
{
    int i, f = 2, b = 4; 
    for ( i = 1 ; i <= 100 ; ++i, --f, --b )
    {
        if ( f && b ) { std::cout << i;             }
        if ( !f )     { std::cout << "Fizz"; f = 3; }
        if ( !b )     { std::cout << "Buzz"; b = 5; }
        std::cout << std::endl;
    }
    return 0;
}

using std::transform

#include <iostream>                                                                                                     
#include <algorithm>
#include <vector>
int main()
{
  std::vector<int> range(100);
  std::iota(range.begin(), range.end(), 1);
  std::vector<std::string> values;
  values.resize(range.size());
  auto fizzbuzz = [](int i) -> std::string {
    if ((i%15) == 0) return "FizzBuzz";
    if ((i%5) == 0)  return "Buzz";
    if ((i%3) == 0)  return "Fizz";
    return std::to_string(i);
  };
  std::transform(range.begin(), range.end(), values.begin(), fizzbuzz);
  for (auto& str: values) std::cout << str << std::endl;
  return 0;
}

metaprogramming

Version computing FizzBuzz at compile time with metaprogramming:

#include <iostream>
template <int n, int m3, int m5> 
struct fizzbuzz : fizzbuzz<n-1, (n-1)%3, (n-1)%5>
{
  fizzbuzz() 
  { std::cout << n << std::endl; }
};
template <int n>
struct fizzbuzz<n, 0, 0> : fizzbuzz<n-1, (n-1)%3, (n-1)%5>
{
  fizzbuzz() 
  { std::cout << "FizzBuzz" << std::endl; }
};
template <int n, int p>
struct fizzbuzz<n, 0, p> : fizzbuzz<n-1, (n-1)%3, (n-1)%5>
{
  fizzbuzz() 
  { std::cout << "Fizz" << std::endl; }
};
template <int n, int p>
struct fizzbuzz<n, p, 0> : fizzbuzz<n-1, (n-1)%3, (n-1)%5>
{
  fizzbuzz() 
  { std::cout << "Buzz" << std::endl; }
};
template <>
struct fizzbuzz<0,0,0>
{
  fizzbuzz() 
  { std::cout << 0 << std::endl; }
};
template <int n>
struct fb_run
{
  fizzbuzz<n, n%3, n%5> fb;
};
int main()
{
  fb_run<100> fb;
  return 0;
}

hardcore templates

Compile with -ftemplate-depth-9000 -std=c++0x:

#include <iostream>
#include <string>
#include <cstdlib>
#include <boost/mpl/string.hpp>
#include <boost/mpl/fold.hpp>
#include <boost/mpl/size_t.hpp>
using namespace std;
using namespace boost;
///////////////////////////////////////////////////////////////////////////////
// exponentiation calculations
template <int accum, int base, int exp> struct POWER_CORE : POWER_CORE<accum * base, base, exp - 1>{};
template <int accum, int base>
struct POWER_CORE<accum, base, 0>
{
    enum : int { val = accum };
};
template <int base, int exp> struct POWER : POWER_CORE<1, base, exp>{};
///////////////////////////////////////////////////////////////////////////////
// # of digit calculations
template <int depth, unsigned int i> struct NUM_DIGITS_CORE : NUM_DIGITS_CORE<depth + 1, i / 10>{};
template <int depth>
struct NUM_DIGITS_CORE<depth, 0>
{
    enum : int { val = depth};
};
template <int i> struct NUM_DIGITS : NUM_DIGITS_CORE<0, i>{};
template <>
struct NUM_DIGITS<0>
{
    enum : int { val = 1 };
};
///////////////////////////////////////////////////////////////////////////////
// Convert digit to character (1 -> '1')
template <int i>
struct DIGIT_TO_CHAR
{
    enum : char{ val = i + 48 };
};
///////////////////////////////////////////////////////////////////////////////
// Find the digit at a given offset into a number of the form 0000000017
template <unsigned int i, int place> // place -> [0 .. 10]
struct DIGIT_AT
{
    enum : char{ val = (i / POWER<10, place>::val) % 10 };
};
struct NULL_CHAR
{
    enum : char{ val = '\0' };
};
///////////////////////////////////////////////////////////////////////////////
// Convert the digit at a given offset into a number of the form '0000000017' to a character
template <unsigned int i, int place> // place -> [0 .. 9]
    struct ALT_CHAR : DIGIT_TO_CHAR< DIGIT_AT<i, place>::val >{};
///////////////////////////////////////////////////////////////////////////////
// Convert the digit at a given offset into a number of the form '17' to a character
// Template description, with specialization to generate null characters for out of range offsets
template <unsigned int i, int offset, int numDigits, bool inRange>  
    struct OFFSET_CHAR_CORE_CHECKED{};
template <unsigned int i, int offset, int numDigits>                
    struct OFFSET_CHAR_CORE_CHECKED<i, offset, numDigits, false> : NULL_CHAR{};
template <unsigned int i, int offset, int numDigits>                
    struct OFFSET_CHAR_CORE_CHECKED<i, offset, numDigits, true>  : ALT_CHAR<i, (numDigits - offset) - 1 >{};
// Perform the range check and pass it on
template <unsigned int i, int offset, int numDigits>
    struct OFFSET_CHAR_CORE : OFFSET_CHAR_CORE_CHECKED<i, offset, numDigits, offset < numDigits>{};
// Calc the number of digits and pass it on
template <unsigned int i, int offset>
    struct OFFSET_CHAR : OFFSET_CHAR_CORE<i, offset, NUM_DIGITS<i>::val>{};
///////////////////////////////////////////////////////////////////////////////
// Integer to char* template. Works on unsigned ints.
template <unsigned int i>
struct IntToStr
{
    const static char str[];
    typedef typename mpl::string<
    OFFSET_CHAR<i, 0>::val,
    OFFSET_CHAR<i, 1>::val,
    OFFSET_CHAR<i, 2>::val,
    OFFSET_CHAR<i, 3>::val,
    OFFSET_CHAR<i, 4>::val,
    OFFSET_CHAR<i, 5>::val,
    /*OFFSET_CHAR<i, 6>::val,
    OFFSET_CHAR<i, 7>::val,
    OFFSET_CHAR<i, 8>::val,
    OFFSET_CHAR<i, 9>::val,*/
    NULL_CHAR::val>::type type;
};
template <unsigned int i>
const char IntToStr<i>::str[] = 
{
    OFFSET_CHAR<i, 0>::val,
    OFFSET_CHAR<i, 1>::val,
    OFFSET_CHAR<i, 2>::val,
    OFFSET_CHAR<i, 3>::val,
    OFFSET_CHAR<i, 4>::val,
    OFFSET_CHAR<i, 5>::val,
    OFFSET_CHAR<i, 6>::val,
    OFFSET_CHAR<i, 7>::val,
    OFFSET_CHAR<i, 8>::val,
    OFFSET_CHAR<i, 9>::val,
    NULL_CHAR::val
};
template <bool condition, class Then, class Else>
struct IF
{
    typedef Then RET;
};
template <class Then, class Else>
struct IF<false, Then, Else>
{
    typedef Else RET;
};
template < typename Str1, typename Str2 >
struct concat : mpl::insert_range<Str1, typename mpl::end<Str1>::type, Str2> {};
template <typename Str1, typename Str2, typename Str3 >
struct concat3 : mpl::insert_range<Str1, typename mpl::end<Str1>::type, typename concat<Str2, Str3 >::type > {};
typedef typename mpl::string<'f','i','z','z'>::type fizz;
typedef typename mpl::string<'b','u','z','z'>::type buzz;
typedef typename mpl::string<'\r', '\n'>::type mpendl;
typedef typename concat<fizz, buzz>::type fizzbuzz;
// discovered boost mpl limitation on some length
template <int N>
struct FizzBuzz
{
    typedef typename concat3<typename FizzBuzz<N - 1>::type, typename IF<N % 15 == 0, typename fizzbuzz::type, typename IF<N % 3 == 0, typename fizz::type, typename IF<N % 5 == 0, typename buzz::type, typename IntToStr<N>::type >::RET >::RET >::RET, typename mpendl::type>::type type;
};
template <>
struct FizzBuzz<1>
{
    typedef mpl::string<'1','\r','\n'>::type type;
};
int main(int argc, char** argv)
{
    const int n = 7;
    std::cout << mpl::c_str<FizzBuzz<n>::type>::value << std::endl;
	return 0;
}

Note: it takes up lots of memory and takes several seconds to compile. To enable compilation for 7 < n <= 25, please, modify include/boost/mpl/limits/string.hpp BOOST_MPL_LIMIT_STRING_SIZE to 128 instead of 32).

Calcscript

(fn fizz (i)
  (r
    (eq (valid? (/ i 15)) (puts FizzBuzz))
    (eq (valid? (/ i 5 )) (puts Buzz))
    (eq (valid? (/ i 3 )) (puts Fizz))
    (p i)
  )
)
(fn count (n i)
  (d
    (t (- n i))
    (fizz i)
    (count n (+ i 1))
  )
)
(count 101 1)
Output:
1
2
Fizz
4
Buzz
Fizz
7
8
Fizz
Buzz
11
Fizz
13
14
FizzBuzz
16
17
Fizz
19
Buzz
Fizz
22
23
Fizz
Buzz
26
Fizz
28
29
FizzBuzz
31
32
Fizz
34
Buzz
Fizz
37
38
Fizz
Buzz
41
Fizz
43
44
FizzBuzz
46
47
Fizz
49
Buzz
Fizz
52
53
Fizz
Buzz
56
Fizz
58
59
FizzBuzz
61
62
Fizz
64
Buzz
Fizz
67
68
Fizz
Buzz
71
Fizz
73
74
FizzBuzz
76
77
Fizz
79
Buzz
Fizz
82
83
Fizz
Buzz
86
Fizz
88
89
FizzBuzz
91
92
Fizz
94
Buzz
Fizz
97
98
Fizz
Buzz

Calibre

const main := fn => {
    for i in 1..=100 =>
        match i % 3 = 0, i % 5 = 0 {
            true, true => print("FizzBuzz"),
            true, _ => print("Fizz"),
            _, true => print("Buzz"),
            .. => print(i),
        }
}

Casio BASIC

See FizzBuzz/Basic

Cduce

(* FizzBuzz in CDuce *)
let format (n : Int) : Latin1 =
    if (n mod 3 = 0) || (n mod 5 = 0) then "FizzBuzz"
    else if (n mod 5 = 0) then "Buzz"
    else if (n mod 3 = 0) then "Fizz"
    else string_of (n);;
let fizz (n : Int, size : Int) : _ =
    print (format (n) @ "\n");
    if (n = size) then
        n = 0 (* do nothing *)
    else
        fizz(n + 1, size);;
let fizbuzz (size : Int) : _ = fizz (1, size);;
let _ = fizbuzz(100);;

Ceylon

shared void run() => {for (i in 1..100) {for (j->k in [3->"Fizz", 5->"Buzz"]) if (j.divides(i)) k}.reduce(plus) else i}.each(print);

Chapel

proc fizzbuzz(n) {
	for i in 1..n do
		if i % 15 == 0 then
			writeln("FizzBuzz");
		else if i % 5 == 0 then
			writeln("Buzz");
		else if i % 3 == 0 then
			writeln("Fizz");
		else
			writeln(i);
}
fizzbuzz(100);

Chef

See FizzBuzz/EsoLang

Cherrycake

# Route with custom number of iterations
cached get ~/:n {
    # Get the Number of Iterations from the URL Params
    int n = req.params.n || 100
    # Loop through each iteration
    for (i in range(n)) {
        if (i % 2 == 0 && i % 3 == 0) { res.write("FizzBuzz\n") continue }
        if (i % 2 == 0) { res.write("Fizz\n"); continue; }
        if (i % 3 == 0) { res.write("Buzz\n"); continue; }
        res.write(i + "\n");
    }
    # Close the connection
    res.end();
}

CJam

source license

100{):I3%!"Fizz"*I5%!"Buzz"*+Ie|N}/

Clay

main() {
    for(i in range(1,100)) {
        if(i % 3 == 0 and i % 5 == 0) println("fizzbuzz");
        else if(i % 3 == 0) println("fizz");
        else if(i % 5 == 0) println("buzz");
        else print(i);
    }
}

Clipper

Also compiles with Harbour (Harbour 3.2.0dev (r1405201749))

PROCEDURE Main()
   LOCAL n
   LOCAL cFB
   FOR n := 1 TO 100
      cFB := ""
      AEval( { { 3, "Fizz" }, { 5, "Buzz" } }, {|x| cFB += iif( ( n % x[ 1 ] ) == 0, x[ 2 ], "" ) } )
      ?? iif( cFB == "", LTrim( Str( n ) ), cFB ) + iif( n == 100, ".", ", " )
   NEXT
   RETURN

The advantage of this approach is that it is trivial to add another factor:

AEval( {{3,"Fizz"},{5,"Buzz"},{9,"Jazz"}}, {|x| cFB += Iif((n % x[1])==0, x[2], "")})

CLIPS

(deffacts count
          (count-to 100))
(defrule print-numbers
         (count-to ?max)
         =>
         (loop-for-count (?num ?max) do
        (if (and (= (mod ?num 3) 0) (= (mod ?num 5) 0) ) then
                (printout t "FizzBuzz" crlf)
         else (if (= (mod ?num 3) 0) then
                      (printout t "Fizz" crlf)
               else (if (= (mod ?num 5) 0) then
                             (printout t "Buzz" crlf)
                     else
                             (printout t ?num crlf))))))

Clojure

(doseq [x (range 1 101)] (println x (str (when (zero? (mod x 3)) "fizz") (when (zero? (mod x 5)) "buzz"))))
(defn fizzbuzz [start finish] 
  (map (fn [n]
	(cond
		(zero? (mod n 15)) "FizzBuzz"
		(zero? (mod n 3)) "Fizz"
		(zero? (mod n 5)) "Buzz"
		:else n))
	(range start finish)))
(fizzbuzz 1 100)
(map (fn [x] (cond (zero? (mod x 15)) "FizzBuzz" 
                   (zero? (mod x 5)) "Buzz"
                   (zero? (mod x 3)) "Fizz"
		     :else x))
     (range 1 101))
(map #(let [s (str (if (zero? (mod % 3)) "Fizz") (if (zero? (mod % 5)) "Buzz"))] (if (empty? s) % s)) (range 1 101))
(def fizzbuzz (map 
  #(cond (zero? (mod % 15)) "FizzBuzz"
         (zero? (mod % 5)) "Buzz"
         (zero? (mod % 3)) "Fizz"
               :else %)
  (iterate inc 1)))
(defn fizz-buzz 
  ([] (fizz-buzz (range 1 101)))
  ([lst]
     (letfn [(fizz? [n] (zero? (mod n 3)))
	     (buzz? [n] (zero? (mod n 5)))]
       (let [f     "Fizz" 
	     b     "Buzz" 
	     items (map (fn [n]
			  (cond (and (fizz? n) (buzz? n)) (str f b)
				(fizz? n) f
				(buzz? n) b
				:else n))
			lst)] items))))
(map (fn [n] 
       (if-let [fb (seq (concat (when (zero? (mod n 3)) "Fizz")
                                (when (zero? (mod n 5)) "Buzz")))]
           (apply str fb)
           n))
     (range 1 101))
(take 100 (map #(let [s (str %2 %3) ] (if (seq s) s (inc %)) )
            (range)
            (cycle [ "" "" "Fizz" ])
            (cycle [ "" "" "" "" "Buzz" ])))
(map #(nth (conj (cycle [% % "Fizz" % "Buzz" "Fizz" % % "Fizz" "Buzz" % "Fizz" % % "FizzBuzz"]) %) %) (range 1 101))
(let [n nil fizz (cycle [n n "fizz"]) buzz (cycle [n n n n "buzz"]) nums (iterate inc 1)]
  (take 20 (map #(if (or %1 %2) (str %1 %2) %3) fizz buzz nums)))
(take 100
      (map #(if (pos? (compare %1 %2)) %1 %2)
           (map str (drop 1 (range)))
           (map str (cycle ["" "" "Fizz"]) (cycle ["" "" "" "" "Buzz"]))))
;;Using clojure maps
(defn fizzbuzz
  [n]
  (let [rule {3 "Fizz"
              5 "Buzz"}
        divs (->> rule
                  (map first)
                  sort
                  (filter (comp (partial = 0)
                                (partial rem n))))]
    (if (empty? divs)
      (str n)
      (->> divs
           (map rule)
           (apply str)))))
(defn allfizzbuzz
  [max]
  (map fizzbuzz (range 1 (inc max))))
(take 100
   (map #(str %1 %2 (if-not (or %1 %2) %3))
        (cycle [nil nil "Fizz"])
        (cycle [nil nil nil nil "Buzz"])
        (rest (range))
   ))
(take 100
  (
    (fn [& fbspec]
      (let [
             fbseq #(->> (repeat nil) (cons %2) (take %1) reverse cycle)
             strfn #(apply str (if (every? nil? (rest %&)) (first %&)) (rest %&))
          ]
        (->>
          fbspec
          (partition 2)
          (map #(apply fbseq %))
          (apply map strfn (rest (range)))
          ) ;;endthread
      ) ;;endlet
    ) ;;endfn
    3 "Fizz" 5 "Buzz" 7 "Bazz"
  ) ;;endfn apply
) ;;endtake
(take 100
      (map-indexed
        #(case %2 14 "FizzBuzz" (2 5 8 11) "Fizz" (4 9) "Buzz" (inc %1))
        (cycle (range 15))
        )
)
(take 100
       (->>
          (map str (cycle [nil nil "Fizz"]) (cycle [nil nil nil nil "Buzz"]))
          (map-indexed #(if (empty? %2) (inc %1) %2))
       )
)
(take 100 
   (map-indexed
      #(if (number? %2) (+ %1 %2) %2)
      (cycle [1 1 "Fizz" 1 "Buzz" "Fizz" 1 1 "Fizz" "Buzz" 1 "Fizz" 1 1 "FizzBuzz"])
      )
)

CLU

start_up = proc ()
    po: stream := stream$primary_output()
    for i: int in int$from_to(1, 100) do
        out: string := ""
        if i // 3 = 0 then out := out || "Fizz" end
        if i // 5 = 0 then out := out || "Buzz" end
        if string$empty(out) then out := int$unparse(i) end
        stream$putl(po, out)
    end
end start_up

CMake

foreach(i RANGE 1 100)
  math(EXPR off3 "${i} % 3")
  math(EXPR off5 "${i} % 5")
  if(NOT off3 AND NOT off5)
    message(FizzBuzz)
  elseif(NOT off3)
    message(Fizz)
  elseif(NOT off5)
    message(Buzz)
  else()
    message(${i})
  endif()
endforeach(i)

COBOL

Canonical version

      * FIZZBUZZ.COB
      * cobc -x -g FIZZBUZZ.COB
      *
       IDENTIFICATION        DIVISION.
       PROGRAM-ID.           fizzbuzz.
       DATA                  DIVISION.
       WORKING-STORAGE       SECTION.
       01 CNT      PIC 9(03) VALUE 1.
       01 REM      PIC 9(03) VALUE 0.
       01 QUOTIENT PIC 9(03) VALUE 0.
       PROCEDURE             DIVISION.
      *
       PERFORM UNTIL CNT > 100
         DIVIDE 15 INTO CNT GIVING QUOTIENT REMAINDER REM
         IF REM = 0
           THEN
             DISPLAY "FizzBuzz " WITH NO ADVANCING
           ELSE
             DIVIDE 3 INTO CNT GIVING QUOTIENT REMAINDER REM
             IF REM = 0
               THEN
                 DISPLAY "Fizz " WITH NO ADVANCING
               ELSE
                 DIVIDE 5 INTO CNT GIVING QUOTIENT REMAINDER REM
                 IF REM = 0
                   THEN
                     DISPLAY "Buzz " WITH NO ADVANCING
                   ELSE
                     DISPLAY CNT " " WITH NO ADVANCING
                 END-IF
             END-IF
         END-IF
         ADD 1 TO CNT
       END-PERFORM
       DISPLAY ""
       STOP RUN.

Simpler version

I know this doesn't have the full-bodied, piquant flavor expected from COBOL, but it is a little shorter.

Identification division.
Program-id. fizz-buzz.
Data division.
Working-storage section.
01 num pic 999.
Procedure division.
    Perform varying num from 1 by 1 until num > 100
        if function mod (num, 15) = 0 then display "fizzbuzz"
        else if function mod (num, 3) = 0 then display "fizz"
        else if function mod (num, 5) = 0 then display "buzz"
        else display num
    end-perform.
    Stop run.

Evaluate Version

I think this shows clearly that it's resolving the problem and illuminating the rules specified

       IDENTIFICATION DIVISION.
       PROGRAM-ID.  FIZZBUZZ.
       ENVIRONMENT DIVISION.
       DATA DIVISION.
       WORKING-STORAGE SECTION.
       01  X PIC 999.
       01  Y PIC 999.
       01  REM3 PIC 999.
       01  REM5 PIC 999.
       PROCEDURE DIVISION.
           PERFORM VARYING X FROM 1 BY 1 UNTIL X > 100
               DIVIDE X BY 3 GIVING Y REMAINDER REM3
               DIVIDE X BY 5 GIVING Y REMAINDER REM5
            EVALUATE REM3 ALSO REM5
              WHEN ZERO ALSO ZERO
                DISPLAY "FizzBuzz"
              WHEN ZERO ALSO ANY
                DISPLAY "Fizz"
              WHEN ANY ALSO ZERO
                DISPLAY "Buzz"
              WHEN OTHER
                DISPLAY X
            END-EVALUATE
           END-PERFORM
           STOP RUN
           .

Chase the Fizz

A solution that simply evaluates and adds.

         >>SOURCE FORMAT FREE
identification division.
program-id. fizzbuzz.
data division.
working-storage section.
01  i pic 999.
01  fizz pic 999 value 3.
01  buzz pic 999 value 5.
procedure division.
start-fizzbuzz.
    perform varying i from 1 by 1 until i > 100 
        evaluate i also i
        when fizz also buzz
            display 'fizzbuzz'
            add 3 to fizz
            add 5 to buzz
        when fizz also any
            display 'fizz'
            add 3 to fizz
        when buzz also any
            display 'buzz'
            add 5 to buzz
        when other
            display i
        end-evaluate
    end-perform
    stop run
    .
end program fizzbuzz.

Coco

for i from 1 to 100
    console.log do
       if      i % 15 == 0 then 'FizzBuzz'
       else if i % 3 == 0 then 'Fizz'
       else if i % 5 == 0 then 'Buzz'
       else i
for i from 1 to 100
    console.log(['Fizz' unless i % 3] + ['Buzz' unless i % 5] or String(i))

Coconut

def fizzbuzz(n):
      case (n % 3, n % 5):
          match (0, 0): return "FizzBuzz"
          match (0, _): return "Fizz"
          match (_, 0): return "Buzz"
      else: return n |> str
range(1,101)|> map$(fizzbuzz)|> x -> '\n'.join(x)|> print

CoffeeScript

for i in [1..100]
  if i % 15 is 0
    console.log "FizzBuzz"
  else if i % 3 is 0
    console.log "Fizz"
  else if i % 5 is 0
    console.log "Buzz"
  else
    console.log i
for i in [1..100]
  console.log \
    if i % 15 is 0
      "FizzBuzz"
    else if i % 3 is 0
      "Fizz"
    else if i % 5 is 0
      "Buzz"
    else
      i
for i in [1..100]
  console.log(['Fizz' if i % 3 is 0] + ['Buzz' if i % 5 is 0] or i)

Cognate

This is the first example given on Cognate's website (available under the BSD-2-Clause license):

Def Fizzbuzz (
	Let N be Of (Integer?);
	Def Multiple as (Zero? Modulo Swap N);
	If Multiple of 15 then "fizzbuzz"
	If Multiple of 3  then "fizz"
	If Multiple of 5  then "buzz"
	                  else N
);
For each in Range 1 to 100 (Print Fizzbuzz);

ColdFusion

<Cfloop from="1" to="100" index="i">
  <Cfif i mod 15 eq 0>FizzBuzz
  <Cfelseif i mod 5 eq 0>Fizz
  <Cfelseif i mod 3 eq 0>Buzz
  <Cfelse><Cfoutput>#i# </Cfoutput>
  </Cfif>
</Cfloop>

cfscript version

<cfscript>
result = "";
  for(i=1;i<=100;i++){
    result=ListAppend(result, (i%15==0) ? "FizzBuzz": (i%5==0) ? "Buzz" : (i%3 eq 0)? "Fizz" : i );
  }
  WriteOutput(result);
</cfscript>

Comal

0010 FOR i#:=1 TO 100 DO
0020   IF i# MOD 15=0 THEN
0030     PRINT "FizzBuzz"
0040   ELIF i# MOD 5=0 THEN
0050     PRINT "Buzz"
0060   ELIF i# MOD 3=0 THEN
0070     PRINT "Fizz"
0080   ELSE
0090     PRINT i#
0100   ENDIF
0110 ENDFOR i#
0120 END

Comefrom0x10

fizzbuzz
  mod_three = 3
  mod_five = 5
  comefrom fizzbuzz
  n
  comefrom fizzbuzz if n is mod_three
  comefrom fizzbuzz if n is mod_five
  n = n + 1
  fizz
    comefrom fizzbuzz if n is mod_three
    'Fizz'...
    mod_three = mod_three + 3
    linebreak
      # would like to write "unless mod_three is mod_five"
      comefrom fizz if mod_three - mod_five - 3
      ''
  buzz
    comefrom fizzbuzz if n is mod_five
    'Buzz'
    mod_five = mod_five + 5
  comefrom fizzbuzz if n is 100

Commodore BASIC

See FizzBuzz/Basic

Common Lisp

Solution 1:

(defun fizzbuzz ()
  (loop for x from 1 to 100 do
    (princ (cond ((zerop (mod x 15)) "FizzBuzz")
                 ((zerop (mod x 3))  "Fizz")
                 ((zerop (mod x 5))  "Buzz")
                 (t                  x)))
    (terpri)))

Solution 2:

(defun fizzbuzz ()
  (loop for x from 1 to 100 do
    (format t "~&~{~A~}"
      (or (append (when (zerop (mod x 3)) '("Fizz"))
                  (when (zerop (mod x 5)) '("Buzz")))
          (list x)))))

Solution 3:

(defun fizzbuzz ()
  (loop for n from 1 to 100
     do (format t "~&~[~[FizzBuzz~:;Fizz~]~*~:;~[Buzz~*~:;~D~]~]~%"
                (mod n 3) (mod n 5) n)))

Solution 4:

(loop as n from 1 to 100
      as fizz = (zerop (mod n 3))
      as buzz = (zerop (mod n 5))
      as numb = (not (or fizz buzz))
      do
  (format t
   "~&~:[~;Fizz~]~:[~;Buzz~]~:[~;~D~]~%"
   fizz buzz numb n))

Solution 5:

(format t "~{~:[~&~;~:*~:(~a~)~]~}"
  (loop as n from 1 to 100
        as f = (zerop (mod n 3))
        as b = (zerop (mod n 5))
        collect nil
        if f collect 'fizz
        if b collect 'buzz
        if (not (or f b)) collect n))

Solution 6:

(format t "~{~{~:[~;Fizz~]~:[~;Buzz~]~:[~*~;~d~]~}~%~}"
  (loop as n from 1 to 100
        as f = (zerop (mod n 3))
        as b = (zerop (mod n 5))
        collect (list f b (not (or f b)) n)))

Solution 7:

(defun core (x)
  (mapcar
    #'(lambda (a b) (if (equal 0 (mod x a)) b x))
    '(3 5)
    '("fizz" "buzz")))
(defun filter-core (x)
  (if (equal 1 (length (remove-duplicates x)))
    (list (car x))
    (remove-if-not #'stringp x)))
(defun fizzbuzz (x)
  (loop for a from 1 to x do
    (print (format nil "~{~a~}" (filter-core (core a))))))
(fizzbuzz 100)

Solution 8:

(defun range (min max)
  (loop
    :for x :from min :to max
    :collect x))
(defun fizzbuzz ()
  (map 'nil #'(lambda (n)
                (princ
                  (cond
                    ((zerop (mod n 15)) "FizzBuzz!")
                    ((zerop (mod n 5)) "Buzz!")
                    ((zerop (mod n 3)) "Fizz!")
                    (t n))
                  (terpri)))
            (range 1 100)))

First 16 lines of output:

1
2
Fizz
4
Buzz
Fizz
7
8
Fizz
Buzz
11
Fizz
13
14
FizzBuzz
16

Alternate solution

I use Allegro CL 10.1

;; Project : FizzBuzz
(defun fizzbuzz (&optional n)
          (let ((n (or n 1)))
          (if (> n 100)
              nil
              (progn
              (let ((mult-3 (is-mult-p n 3))
              (mult-5 (is-mult-p n 5)))
              (if mult-3
                  (princ "Fizz"))
              (if mult-5
                  (princ "Buzz"))
              (if (not (or mult-3 mult-5))
                  (princ n))
              (princ #\linefeed)
              (fizzbuzz (+ n 1)))))))
(defun is-mult-p (n multiple)
          (= (rem n multiple) 0))
(fizzbuzz 1)

Output:

1
2
Fizz
4
Buzz
Fizz
7
8
Fizz
Buzz
11
Fizz
13
14
FizzBuzz
16
17
Fizz
19
Buzz

Cowgol

Straightforward version

include "cowgol.coh";
var i: uint8 := 1;
while i <= 100 loop
    if i % 15 == 0 then
        print("FizzBuzz");
    elseif i % 5 == 0 then
        print("Buzz");
    elseif i % 3 == 0 then
        print("Fizz");
    else
        print_i8(i);
    end if;
    print_nl();
    i := i + 1;
end loop;

No division

When targeting small systems, it is generally a good idea not to use division if you don't have to. Most of the processors Cowgol targets do not have hardware division, requiring the use of slow and bulky software division routines. This is not helped by the fact that these processors are not fast to begin with, and memory is usually scarce.

Avoiding division requires not only that % be avoided, but also print_i8 cannot be used, as printing integers in decimal format is also done by division. Instead, this code keeps separate 'fizz' and 'buzz' counters around, as well as keeping the number ready in ASCII format for printing. Nevertheless, the following code compiles to a 252-byte 8080 executable, whereas the naive version above compiles to a 755-byte executable. (Compare to the 8080 assembly program above, which assembles to a 98-byte executable.)

include "cowgol.coh";
var i: uint8 := 100;
var fizz: uint8 := 3;
var buzz: uint8 := 5;
var dh: uint8 := '0';
var dl: uint8 := '1';
var prnum: uint8;
while i != 0 loop
    fizz := fizz - 1;
    buzz := buzz - 1;
    prnum := 1;
    if fizz == 0 then
        print("Fizz");
        fizz := 3;
        prnum := 0;
    end if;
    if buzz == 0 then
        print("Buzz");
        buzz := 5;
        prnum := 0;
    end if;
    if prnum != 0 then
        if dh != '0' then
            print_char(dh);
        end if;
        print_char(dl);
    end if;
    dl := dl + 1;
    if dl == ('9' + 1) then
        dl := '0';
        dh := dh + 1;
    end if;
    print_nl();
    i := i - 1;
end loop;

Craft Basic

See FizzBuzz/Basic

Crystal

1.upto(100) do |v|
  p fizz_buzz(v)
end
def fizz_buzz(value)
  word = ""
  word += "fizz" if value % 3 == 0
  word += "buzz" if value % 5 == 0
  word += value.to_s if word.empty?
  word
end

A more natural solution with the string building:

1.upto(100) do |n|
  case
  when n % 15 == 0
    puts "FizzBuzz"
  when n % 5 == 0
    puts "Buzz"
  when n % 3 == 0
    puts "Fizz"
  else
    puts n
  end
end

CSS

<!DOCTYPE html>
<html lang="en">
<head>
  <style>
    li { list-style-position: inside }
    li:nth-child(3n), li:nth-child(5n) {
      list-style-type: none
    }
    li:nth-child(3n)::before{ content:'Fizz' }
    li:nth-child(5n)::after { content:'Buzz' }
  </style>
</head>
<body>
  <ol>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
    <li></li>
  </ol>
</body>
</html>

Cubescript

alias fizzbuzz [
	loop i 100 [
		push i (+ $i 1) [
			cond (! (mod $i 15)) [
				echo FizzBuzz
			] (! (mod $i 3)) [
				echo Fizz
			] (! (mod $i 5)) [
				echo Buzz
			] [
				echo $i
			]
		]
	]
]

D

import std.stdio, std.algorithm, std.conv;
/// With if-else.
void fizzBuzz(in uint n) {
    foreach (immutable i; 1 .. n + 1)
        if (!(i % 15))
            "FizzBuzz".writeln;
        else if (!(i % 3))
            "Fizz".writeln;
        else if (!(i % 5))
            "Buzz".writeln;
        else
            i.writeln;
}
/// With switch case.
void fizzBuzzSwitch(in uint n) {
    foreach (immutable i; 1 .. n + 1)
        switch (i % 15) {
            case 0:
                "FizzBuzz".writeln;
                break;
            case 3, 6, 9, 12:
                "Fizz".writeln;
                break;
            case 5, 10:
                "Buzz".writeln;
                break;
            default:
                i.writeln;
        }
}
void fizzBuzzSwitch2(in uint n) {
    foreach (immutable i; 1 .. n + 1)
        (i % 15).predSwitch(
        0,       "FizzBuzz",
        3,       "Fizz",
        5,       "Buzz",
        6,       "Fizz",
        9,       "Fizz",
        10,      "Buzz",
        12,      "Fizz",
        /*else*/ i.text).writeln;
}
void main() {
    100.fizzBuzz;
    writeln;
    100.fizzBuzzSwitch;
    writeln;
    100.fizzBuzzSwitch2;
}

Alternate version calculating values at compile time:

import std;
void main()
{
    auto fizzbuzz(in uint i)
    {
        string r;
        if (i % 3 == 0) r ~= "fizz";
        if (i % 5 == 0) r ~= "buzz";
        if (r.length == 0) r ~= i.to!string;
        return r;
    }
    enum r = 1.iota(101).map!fizzbuzz;
    r.each!writeln;
}

Dart

main() {
  for (int i = 1; i <= 100; i++) {
    List<String> out = [];
    if (i % 3 == 0)
      out.add("Fizz");
    if (i % 5 == 0)
      out.add("Buzz");
    print(out.length > 0 ? out.join("") : i);
  }
}

dc

Translation of: bc

[[Fizz]P 1 sw]sF
[[Buzz]P 1 sw]sB
[li p sz]sN
[[
]P]sW
[
 0 sw         [w = 0]sz
 li 3 % 0 =F  [Fizz if 0 == i % 3]sz
 li 5 % 0 =B  [Buzz if 0 == i % 5]sz
 lw 0 =N      [print Number if 0 == w]sz
 lw 1 =W      [print neWline if 1 == w]sz
 li 1 + si    [i += 1]sz
 li 100 !<L   [continue Loop if 100 >= i]sz
]sL
1 si          [i = 1]sz
0 0 =L        [enter Loop]sz

The bc translation written in dc style.

# dc is stack based, so we use the stack instead of a variable for our
# current number.
1                       # Number = 1
[[Fizz]n 1 sw]sF        # Prints "Fizz" prevents Number from printing
[[Buzz]n 1 sw]sB        # Prints "Buzz" prevents Number from printing
[dn]sN                  # Prints Number
[
        dd              # Put two extra copies of Number on stack
        0 sw            # w = 0
        3% 0=F          # Fizz if 0 == Number % 3 (destroys 1st copy)
        5% 0=B          # Buzz if 0 == Number % 5 (destroys 2nd copy)
        lw 0=N          # Print Number if 0 == w
        [
]n                      # Print new line
        1+d             # Number += 1 and put extra copy on stack
        100!<L          # Continue Loop if 100 >= Number (destroys copy)
]dsLx                   # Enter Loop

Delphi

program FizzBuzz;
{$APPTYPE CONSOLE}
uses SysUtils;
var
  i: Integer;
begin
  for i := 1 to 100 do
  begin
    if i mod 15 = 0 then
      Writeln('FizzBuzz')
    else if i mod 3 = 0 then
      Writeln('Fizz')
    else if i mod 5 = 0 then
      Writeln('Buzz')
    else
      Writeln(i);
  end;
end.

DeviousYarn

each { x range(1 100)
    ?  { divisible(x 3)
        p:'Fizz' }
    ?  { divisible(x 5)
        p:'Buzz' }
    -? { !:divisible(x 3)
        p:x }
    o
}

Draco

proc nonrec main() void:
    byte i;
    for i from 1 upto 100 do
        if i % 15 = 0 then writeln("FizzBuzz")
        elif i % 5 = 0 then writeln("Buzz")
        elif i % 3 = 0 then writeln("Fizz")
        else writeln(i)
        fi
    od
corp

DUP

FizzBuzz, realized using two different methods for string/character output:

Output to STDOUT via single character output.

[$$3/%$[]['F,'i,'z,'z,]?\5/%$[]['B,'u,'z,'z,]?*[$.][]?10,]c:    {define function c: mod 3, mod 5 tests, print proper output}
0[$100<][1+c;!]#                                                {loop from 1 to 100}

Output to STDOUT, using stored strings and a separately defined string output operator:

[\[^^>][$;,1+]#%%]⇒P                                       {define operator P: print stored string}
[$$3/%$[][0$"Fizz"P]?\5/%$[][0$"Buzz"P]?*[$.][]?10,]c:     {define function c: mod 3, mod 5 tests, print according output}
0[$100<][1+c;!]#                                           {loop from 1 to 100}

DWScript

var i : Integer;
for i := 1 to 100 do begin
   if i mod 15 = 0 then
      PrintLn('FizzBuzz')
   else if i mod 3 = 0 then
      PrintLn('Fizz')
   else if i mod 5 = 0 then
      PrintLn('Buzz')
   else PrintLn(i);
end;

Dyalect

var n = 1
while n < 20 {
    if n % 15 == 0 {
        print("fizzbuzz")
    } else if n % 3 == 0 {
        print("fizz")
    } else if n % 5 == 0 {
        print("buzz")
    } else {
        print(n)
    }
    n = n + 1
}
Output:
1
2
fizz
4
buzz
fizz
7
8
fizz
buzz
11
fizz
13
14
fizzbuzz
16
17
fizz
19

Déjà Vu

for i range 1 100:
	if = 0 % i 15:
		"FizzBuzz"
	elseif = 0 % i 3:
		"Fizz"
	elseif = 0 % i 5:
		"Buzz"
	else:
		i
	!print

E

for i in 1..100 {
   println(switch ([i % 3, i % 5]) {
     match [==0, ==0] { "FizzBuzz" }
     match [==0, _  ] { "Fizz" }
     match [_,   ==0] { "Buzz" }
     match _          { i }
   })
 }

EasyLang

for i = 1 to 100
   if i mod 15 = 0
      print "FizzBuzz"
   elif i mod 5 = 0
      print "Buzz"
   elif i mod 3 = 0
      print "Fizz"
   else
      print i
   .
.

ECL

DataRec := RECORD
    STRING  s;
END;
DataRec MakeDataRec(UNSIGNED c) := TRANSFORM
    SELF.s := MAP
        (
            c % 15 = 0  =>  'FizzBuzz',
            c % 3 = 0   =>  'Fizz',
            c % 5 = 0   =>  'Buzz',
            (STRING)c
        );
END;
d := DATASET(100,MakeDataRec(COUNTER));
OUTPUT(d);

Ecstasy

module FizzBuzz {
    void run() {
        @Inject Console console;
        for (Int x : 1..100) {
            console.print(switch (x % 3, x % 5) {
                case (0, 0): "FizzBuzz";
                case (0, _): "Fizz";
                case (_, 0): "Buzz";
                case (_, _): x.toString();
            });
        }
    }
}

Ed

This script uses POSIX EREs, so should be run with -E flag (at least on GNU ed).

H
a
100
.
# iota.ed
g/[^0-9]{1,}/s///g
,p
# decimal -> unary
g/^0+([0-9])/s//\1/
g/^9([0-9]*)(i*)/s//\1\2\2\2\2\2\2\2\2\2\2iiiiiiiii/
g/^8([0-9]*)(i*)/s//\1\2\2\2\2\2\2\2\2\2\2iiiiiiii/
g/^7([0-9]*)(i*)/s//\1\2\2\2\2\2\2\2\2\2\2iiiiiii/
g/^6([0-9]*)(i*)/s//\1\2\2\2\2\2\2\2\2\2\2iiiiii/
g/^5([0-9]*)(i*)/s//\1\2\2\2\2\2\2\2\2\2\2iiiii/
g/^4([0-9]*)(i*)/s//\1\2\2\2\2\2\2\2\2\2\2iiii/
g/^3([0-9]*)(i*)/s//\1\2\2\2\2\2\2\2\2\2\2iii/
g/^2([0-9]*)(i*)/s//\1\2\2\2\2\2\2\2\2\2\2ii/
g/^1([0-9]*)(i*)/s//\1\2\2\2\2\2\2\2\2\2\2i/
g/^0([0-9]*)(i*)/s//\1\2\2\2\2\2\2\2\2\2\2/
g/^9([0-9]*)(i*)/s//\1\2\2\2\2\2\2\2\2\2\2iiiiiiiii/
g/^8([0-9]*)(i*)/s//\1\2\2\2\2\2\2\2\2\2\2iiiiiiii/
g/^7([0-9]*)(i*)/s//\1\2\2\2\2\2\2\2\2\2\2iiiiiii/
g/^6([0-9]*)(i*)/s//\1\2\2\2\2\2\2\2\2\2\2iiiiii/
g/^5([0-9]*)(i*)/s//\1\2\2\2\2\2\2\2\2\2\2iiiii/
g/^4([0-9]*)(i*)/s//\1\2\2\2\2\2\2\2\2\2\2iiii/
g/^3([0-9]*)(i*)/s//\1\2\2\2\2\2\2\2\2\2\2iii/
g/^2([0-9]*)(i*)/s//\1\2\2\2\2\2\2\2\2\2\2ii/
g/^1([0-9]*)(i*)/s//\1\2\2\2\2\2\2\2\2\2\2i/
g/^0([0-9]*)(i*)/s//\1\2\2\2\2\2\2\2\2\2\2/
g/^9([0-9]*)(i*)/s//\1\2\2\2\2\2\2\2\2\2\2iiiiiiiii/
g/^8([0-9]*)(i*)/s//\1\2\2\2\2\2\2\2\2\2\2iiiiiiii/
g/^7([0-9]*)(i*)/s//\1\2\2\2\2\2\2\2\2\2\2iiiiiii/
g/^6([0-9]*)(i*)/s//\1\2\2\2\2\2\2\2\2\2\2iiiiii/
g/^5([0-9]*)(i*)/s//\1\2\2\2\2\2\2\2\2\2\2iiiii/
g/^4([0-9]*)(i*)/s//\1\2\2\2\2\2\2\2\2\2\2iiii/
g/^3([0-9]*)(i*)/s//\1\2\2\2\2\2\2\2\2\2\2iii/
g/^2([0-9]*)(i*)/s//\1\2\2\2\2\2\2\2\2\2\2ii/
g/^1([0-9]*)(i*)/s//\1\2\2\2\2\2\2\2\2\2\2i/
g/^0([0-9]*)(i*)/s//\1\2\2\2\2\2\2\2\2\2\2/
g/^9([0-9]*)(i*)/s//\1\2\2\2\2\2\2\2\2\2\2iiiiiiiii/
g/^8([0-9]*)(i*)/s//\1\2\2\2\2\2\2\2\2\2\2iiiiiiii/
g/^7([0-9]*)(i*)/s//\1\2\2\2\2\2\2\2\2\2\2iiiiiii/
g/^6([0-9]*)(i*)/s//\1\2\2\2\2\2\2\2\2\2\2iiiiii/
g/^5([0-9]*)(i*)/s//\1\2\2\2\2\2\2\2\2\2\2iiiii/
g/^4([0-9]*)(i*)/s//\1\2\2\2\2\2\2\2\2\2\2iiii/
g/^3([0-9]*)(i*)/s//\1\2\2\2\2\2\2\2\2\2\2iii/
g/^2([0-9]*)(i*)/s//\1\2\2\2\2\2\2\2\2\2\2ii/
g/^1([0-9]*)(i*)/s//\1\2\2\2\2\2\2\2\2\2\2i/
g/^0([0-9]*)(i*)/s//\1\2\2\2\2\2\2\2\2\2\2/
g/^9([0-9]*)(i*)/s//\1\2\2\2\2\2\2\2\2\2\2iiiiiiiii/
g/^8([0-9]*)(i*)/s//\1\2\2\2\2\2\2\2\2\2\2iiiiiiii/
g/^7([0-9]*)(i*)/s//\1\2\2\2\2\2\2\2\2\2\2iiiiiii/
g/^6([0-9]*)(i*)/s//\1\2\2\2\2\2\2\2\2\2\2iiiiii/
g/^5([0-9]*)(i*)/s//\1\2\2\2\2\2\2\2\2\2\2iiiii/
g/^4([0-9]*)(i*)/s//\1\2\2\2\2\2\2\2\2\2\2iiii/
g/^3([0-9]*)(i*)/s//\1\2\2\2\2\2\2\2\2\2\2iii/
g/^2([0-9]*)(i*)/s//\1\2\2\2\2\2\2\2\2\2\2ii/
g/^1([0-9]*)(i*)/s//\1\2\2\2\2\2\2\2\2\2\2i/
g/^0([0-9]*)(i*)/s//\1\2\2\2\2\2\2\2\2\2\2/
# iota logic
s/\B/\
/g
a
.
y
d
g/i/x\
s/.*/&i/\
-1d\
y
# fizzbuzz
g/^(i{15})+$/s//FizzBuzz/
g/^(i{5})+$/s//Buzz/
g/^(i{3})+$/s//Fizz/
# unary -> decimal (for 0-10000 range)
g/i{9000}(i{0,999})/s//9\1/
g/i{8000}(i{0,999})/s//8\1/
g/i{7000}(i{0,999})/s//7\1/
g/i{6000}(i{0,999})/s//6\1/
g/i{5000}(i{0,999})/s//5\1/
g/i{4000}(i{0,999})/s//4\1/
g/i{3000}(i{0,999})/s//3\1/
g/i{2000}(i{0,999})/s//2\1/
g/i{1000}(i{0,999})/s//1\1/
v/^[0-9]i*$/s/.*/0&/
g/i{900}(i{0,99})/s//9\1/
g/i{800}(i{0,99})/s//8\1/
g/i{700}(i{0,99})/s//7\1/
g/i{600}(i{0,99})/s//6\1/
g/i{500}(i{0,99})/s//5\1/
g/i{400}(i{0,99})/s//4\1/
g/i{300}(i{0,99})/s//3\1/
g/i{200}(i{0,99})/s//2\1/
g/i{100}(i{0,99})/s//1\1/
v/^[0-9]{2}i*$/s/^([0-9])(i*)$/\10\2/
g/i{90}(i{0,9})/s//9\1/
g/i{80}(i{0,9})/s//8\1/
g/i{70}(i{0,9})/s//7\1/
g/i{60}(i{0,9})/s//6\1/
g/i{50}(i{0,9})/s//5\1/
g/i{40}(i{0,9})/s//4\1/
g/i{30}(i{0,9})/s//3\1/
g/i{20}(i{0,9})/s//2\1/
g/i{10}(i{0,9})/s//1\1/
v/^[0-9]{3}i*$/s/^([0-9]{2})(i*)$/\10\2/
g/i{9}/s//9/
g/i{8}/s//8/
g/i{7}/s//7/
g/i{6}/s//6/
g/i{5}/s//5/
g/i{4}/s//4/
g/i{3}/s//3/
g/i{2}/s//2/
g/i{1}/s//1/
v/^[0-9]{4}i*$/s/^([0-9]{3})(i*)$/\10\2/
g/^0+([0-9])/s//\1/
g/0F1zz/s//Fizz/
g/0Buzz/s//Buzz/
,p
Q

Eero

#import <Foundation/Foundation.h>
int main()
  autoreleasepool
    for int i in 1 .. 100
      s := ''
      if i % 3 == 0
        s << 'Fizz'
      if i % 5 == 0
        s << 'Buzz'
      Log( '(%d) %@', i, s )
  return 0

Egel

import "prelude.eg"
import "io.ego"
using System
using IO
def fizzbuzz =
    [ 100 -> print "100\n"
    | N ->
        if and ((N%3) == 0) ((N%5) == 0) then
            let _ = print "fizz buzz, " in fizzbuzz (N+1)
        else if (N%3) == 0 then
            let _ = print "fizz, " in fizzbuzz (N+1)
        else if (N%5) == 0 then
            let _ = print "buzz, " in fizzbuzz (N+1)
        else
            let _ = print N ", " in fizzbuzz (N+1) ]
def main = fizzbuzz 1

Eiffel

class
	APPLICATION
create
	make
feature
	make
		do
			fizzbuzz
		end
	fizzbuzz
	        --Numbers up to 100, prints "Fizz" instead of multiples of 3, and "Buzz" for multiples of 5.
	        --For multiples of both 3 and 5 prints "FizzBuzz".
		do
			across
				1 |..| 100 as c
			loop
				if c.item \\ 15 = 0 then
					io.put_string ("FIZZBUZZ%N")
				elseif c.item \\ 3 = 0 then
					io.put_string ("FIZZ%N")
				elseif c.item \\ 5 = 0 then
					io.put_string ("BUZZ%N")
				else
					io.put_string (c.item.out + "%N")
				end
			end
		end
end

Ela

open list
prt x | x % 15 == 0 = "FizzBuzz"
      | x % 3 == 0  = "Fizz"
      | x % 5 == 0  = "Buzz"
      | else        = x
[1..100] |> map prt

Elixir

Standard approaches

used case

Enum.each 1..100, fn x ->
  IO.puts(case { rem(x,3) == 0, rem(x,5) == 0 } do
    { true, true }   -> "FizzBuzz"
    { true, false }  -> "Fizz"
    { false, true }  -> "Buzz"
    { false, false } -> x
  end)
end

Alternate approach using pipes and cond:

#!/usr/bin/env elixir
1..100 |> Enum.map(fn i ->
  cond do
    rem(i,3*5) == 0 -> "FizzBuzz"
    rem(i,3) == 0   -> "Fizz"
    rem(i,5) == 0   -> "Buzz"
    true            -> i
  end
end) |> Enum.each(fn i -> IO.puts i end)

used Stream.cycle version:

defmodule RC do
  def fizzbuzz(limit \\ 100) do
    fizz = Stream.cycle(["", "", "Fizz"])
    buzz = Stream.cycle(["", "", "", "", "Buzz"])
    Stream.zip(fizz, buzz)
    |> Enum.take(limit)
    |> Enum.with_index
    |> Enum.each(fn {{f,b},i} ->
         IO.puts if f<>b=="", do: i+1, else: f<>b
       end)
  end
end
RC.fizzbuzz

Yet another approach:

defmodule FizzBuzz do
  def fizzbuzz(n) when rem(n, 15) == 0, do: "FizzBuzz"
  def fizzbuzz(n) when rem(n,  5) == 0, do: "Buzz"
  def fizzbuzz(n) when rem(n,  3) == 0, do: "Fizz"
  def fizzbuzz(n),                      do: n
end
Enum.each(1..100, &IO.puts FizzBuzz.fizzbuzz &1)

used anonymous function

f = fn(n) when rem(n,15)==0 -> "FizzBuzz"
      (n) when rem(n,5)==0  -> "Fizz"
      (n) when rem(n,3)==0  -> "Buzz"
      (n)                   -> n
end
for n <- 1..100, do: IO.puts f.(n)

Enum.at version: Returns nil if index is out of bounds.

Enum.each(1..100, fn i ->
  str = "#{Enum.at([:Fizz], rem(i,3))}#{Enum.at([:Buzz], rem(i,5))}"
  IO.puts if str=="", do: i, else: str
end)

A macro too far

The Stream.cycle version above, but as an overpowered FizzBuzz DSL.

defmodule BadFizz do
  # Hand-rolls a bunch of AST before injecting the resulting FizzBuzz code.
  defmacrop automate_fizz(fizzers, n) do
    # To begin, we need to process fizzers to produce the various components
    # we're using in the final assembly. As told by Mickens telling as Antonio
    # Banderas, first you must specify a mapping function:
    build_parts = (fn {fz, n} ->
      ast_ref = {fz |> String.downcase |> String.to_atom, [], __MODULE__}
      clist   = List.duplicate("", n - 1) ++ [fz]
      cycle   = quote do: unquote(ast_ref) = unquote(clist) |> Stream.cycle
      {ast_ref, cycle}
    end)
    # ...and then a reducing function:
    collate = (fn
      ({ast_ref, cycle}, {ast_refs, cycles}) ->
        {[ast_ref | ast_refs], [cycle | cycles]}
    end)
    # ...and then, my love, when you are done your computation is ready to run
    # across thousands of fizzbuzz:
    {ast_refs, cycles} = fizzers
    |> Code.eval_quoted([], __ENV__) |> elem(0) # Gotta unwrap this mystery code~
    |> Enum.sort(fn ({_, ap}, {_, bp}) -> ap < bp end) # Sort so that Fizz, 3 < Buzz, 5
    |> Enum.map(build_parts)
    |> Enum.reduce({[], []}, collate)
    # Setup the anonymous functions used by Enum.reduce to build our AST components.
    # This was previously handled by List.foldl, but ejected because reduce/2's
    # default behavior reduces repetition.
    #
    # ...I was tempted to move these into a macro themselves, and thought better of it.
    build_zip    = fn (varname, ast) ->
      quote do: Stream.zip(unquote(varname), unquote(ast))
    end
    build_tuple  = fn (varname, ast) ->
      {:{}, [], [varname, ast]}
    end
    build_concat = fn (varname, ast) ->
        {:<>,
        [context: __MODULE__, import: Kernel], # Hygiene values may change; accurate to Elixir 1.1.1
        [varname, ast]}
    end
    # Toss cycles into a block by hand, then smash ast_refs into
    # a few different computations on the cycle block results.
    cycles = {:__block__, [], cycles}
    tuple  = ast_refs |> Enum.reduce(build_tuple)
    zip    = ast_refs |> Enum.reduce(build_zip)
    concat = ast_refs |> Enum.reduce(build_concat)
    # Finally-- Now that all our components are assembled, we can put
    # together the fizzbuzz stream pipeline. After quote ends, this
    # block is injected into the caller's context.
    quote do
      unquote(cycles)
      unquote(zip)
      |> Stream.with_index
      |> Enum.take(unquote(n))
      |> Enum.each(fn
      {unquote(tuple), i} ->
        ccats = unquote(concat)
        IO.puts if ccats == "", do: i + 1, else: ccats
      end)
    end
  end
  @doc ~S"""
    A fizzing, and possibly buzzing function. Somehow, you feel like you've
    seen this before. An old friend, suddenly appearing in Kafkaesque nightmare...
    ...or worse, during a whiteboard interview.
  """
  def fizz(n \\ 100) when is_number(n) do
    # In reward for all that effort above, we now have the latest in
    # programmer productivity:
    #
    # A DSL for building arbitrary fizzing, buzzing, bazzing, and more!
    [{"Fizz", 3},
     {"Buzz", 5}#,
     #{"Bar", 7},
     #{"Foo", 243}, # -> Always printed last (largest number)
     #{"Qux", 34}
    ]
    |> automate_fizz(n)
  end
end
BadFizz.fizz(100) # => Prints to stdout

Elm

A bit too simple:

import Html exposing (text)
import List exposing (map)
main =
  [1..100] |> map getWordForNum |> text
getWordForNum num =
  if num % 15 == 0 then
    "FizzBuzz"
  else if num % 3 == 0 then
    "Fizz"
  else if num % 5 == 0 then
    "Buzz"
  else
    String.fromInt num

A bit too clever:

import Html exposing (text)
import List exposing (map)
import String exposing (join, fromInt)
main : Html.Html
main =
  [1..100] |> map fizzbuzz |> join " " |> text
fizzbuzz : Int -> String
fizzbuzz num =
  let
    fizz = if num % 3 == 0 then "Fizz" else ""
    buzz = if num % 5 == 0 then "Buzz" else ""
  in
    if fizz == buzz then
      fromInt num
    else
      fizz ++ buzz

Emacs Lisp

(defun fizzbuzz (n)
  (cond ((and (zerop (% n 5)) (zerop (% n 3))) "FizzBuzz")
	((zerop (% n 3)) "Fizz")
	((zerop (% n 5)) "Buzz")
	(t n)))
;; loop & print from 0 to 100
(dotimes (i 101)
  (message "%s" (fizzbuzz i)))

EMal

logic isFizz, isBuzz
for int count ← 1; count ≤ 100; ++count
  isFizz ← count % 3 æ 0
  isBuzz ← count % 5 æ 0
  if isFizz and isBuzz do writeLine("Fizz Buzz")
  else if isFizz do writeLine("Fizz")
  else if isBuzz do writeLine("Buzz")
  else do writeLine(count)
  end
end

Emojicode

Simple 1

🏁🍇
  🔂 i 🆕⏩ 1 101 1 ❗ 🍇
    ↪️ i 🚮 15 🙌 0 🍇
      😀 🔤FizzBuzz🔤 ❗
    🍉
    🙅↪️ i 🚮 3 🙌 0 🍇
      😀 🔤Fizz🔤 ❗
    🍉
    🙅↪️ i 🚮 5 🙌 0 🍇
      😀 🔤Buzz🔤 ❗
    🍉🙅🍇
      😀 🔤🧲i🧲🔤 ❗
    🍉
  🍉
🍉

Simple 2

🏁🍇
  🔂 i 🆕⏩ 1 101 1 ❗ 🍇
    🔤🔤 ➡️ 🖍🆕 msg
    ↪️ i 🚮 3 🙌 0 🍇
      🔤Fizz🔤 ➡️ 🖍 msg
    🍉
    ↪️ i 🚮 5 🙌 0 🍇
      🔤🧲msg🧲Buzz🔤 ➡️ 🖍 msg
    🍉
    ↪️ msg 🙌 🔤🔤 🍇
      😀 🔤🧲i🧲🔤 ❗
    🍉🙅🍇
      😀 🔤🧲msg🧲🔤 ❗
    🍉
  🍉
🍉

Enguage

FizzBuzz

This source code is supposed to look like plain old English but is, in fact, executable. When used in an Android app, it gives the user direct access to computational abilities of your phone.

It is taken from the dictionary entry for fizzbuzz

This shows the interpretation of two utterances, the latter of which are called recursively. Enguage is not very efficient, but that's not its goal!

NB. Any line beginning with a '#' is a comment, like Unix shells, but any comment following the ']' character are unit tests exercising this code.

On "what is the fizzbuzz of N":
	is N divisible by 5 and 3;
	if so, reply "fizzbuzz";
	is N divisible by 5;
	if so, reply "buzz";
	is N divisible by 3;
	if so, reply "fizz";
	reply "N".
On "do fizzbuzz between N and LIMIT":
	what is the fizzbuzz of N;
	remember this;
	set next to the	evaluation of N + 1;
	NEXT is equal to LIMIT;
	if so, what is the fizzbuzz of LIMIT;
	if not, do fizzbuzz between NEXT and LIMIT.
#] what is the fizzbuzz of  1: 1.
#] what is the fizzbuzz of 12: fizz.
#] what is the fizzbuzz of 25: buzz.
#] what is the fizzbuzz of 75: fizzbuzz.
#] set limit to 5.
#] do fizzbuzz between 1 and LIMIT.

On downloading this repo, if git and make are installed, this unit test can be run with:

    $ git clone https://github.com/martinwheatman/enguage.git
    $ cd enguage
    $ make jar
    $ export PATH=$PATH:./sbin
    $ java -jar lib/enguage.jar -T fizzbuzz

Output:

TEST: fizzbuzz
==============
user> what is the fizzbuzz of  1.
enguage> 1.
user> what is the fizzbuzz of 12.
enguage> fizz.
user> what is the fizzbuzz of 25.
enguage> buzz.
user> what is the fizzbuzz of 75.
enguage> fizzbuzz.
user> set limit to 5.
enguage> ok , limit is set to 5.
user> do fizzbuzz between 1 and LIMIT.
enguage> 1 . 2 . fizz . 4 . buzz.
1 test group(s) found
+++ PASSED 6 tests in 442ms +++

Erlang

Nice

-spec fizzbuzz() -> Result :: string().
fizzbuzz() ->
    F = fun(N) when N rem 15 == 0 -> "FizzBuzz";
           (N) when N rem 3 == 0  -> "Fizz";
           (N) when N rem 5 == 0  -> "Buzz";
           (N) -> integer_to_list(N)
        end,
    lists:flatten([[F(N)] ++ ["\n"] || N <- lists:seq(1,100)]).

Unnecessarily Concurrent

-module(fizzbuzz).
-export([start/1, count/2, display/0]).
fizzbuzz(N) when N rem 15 == 0 -> fizzbuzz;
fizzbuzz(N) when N rem 5  == 0 -> buzz;
fizzbuzz(N) when N rem 3  == 0 -> fizz;
fizzbuzz(N) -> N.
count(N, Limit) when N==Limit ->
    display ! fizzbuzz(N),
    display ! finished;
count(N, Limit) when N<Limit ->
    display ! fizzbuzz(N),
    count(N+1, Limit).
display() ->
    receive
        finished -> io:format("end!\n");
        fizzbuzz -> io:format("FizzBuzz!\n"), display();
        buzz     -> io:format("Buzz!\n"), display();
        fizz     -> io:format("Fizz!\n"), display();
        N        -> io:format("~p\n", [N]), display()
    end.
start(Max) ->
    register(display, spawn(fizzbuzz, display, [])),
    count(1, Max).

ERRE

PROGRAM FIZZ_BUZZ
!
! for rosettacode.org
!
BEGIN
 FOR A=1 TO 100 DO
   IF A MOD 15=0 THEN
      PRINT("FizzBuzz")
   ELSIF A MOD 3=0 THEN
      PRINT("Fizz")
   ELSIF A MOD 5=0 THEN
      PRINT("Buzz")
   ELSE
      PRINT(A)
   END IF
 END FOR
END PROGRAM

Euler

The original Euler implementations did not allow "long" strings, hence the use of a list here to print FizzBuzz.

begin  new i; label iLoop;
       i <- 0;
iLoop: if [ i <- i + 1 ] <= 100 then begin
          out if      i mod 15 = 0 then ( "Fizz", "Buzz" )
              else if i mod  5 = 0 then "Buzz"
              else if i mod  3 = 0 then "Fizz"
              else i;
          goto iLoop
       end else 0
end $

Euphoria

Works with: Euphoria version 4.0.0

This is based on the VBScript example.

include std/utils.e
function fb( atom n )
	sequence fb
	if remainder( n, 15 ) = 0 then
		fb = "FizzBuzz"
	elsif remainder( n, 5 ) = 0 then
		fb = "Fizz"
	elsif remainder( n, 3 ) = 0 then
		fb = "Buzz"
	else
		fb = sprintf( "%d", n )
	end if
	return fb
end function
function fb2( atom n )
	return iif( remainder(n, 15) = 0, "FizzBuzz",
		iif( remainder( n, 5 ) = 0, "Fizz",
		iif( remainder( n, 3) = 0, "Buzz", sprintf( "%d", n ) ) ) )
end function
for i = 1 to 30 do
	printf( 1, "%s ", { fb( i ) } )
end for
puts( 1, "\n" )
for i = 1 to 30 do
	printf( 1, "%s ", { fb2( i ) } )
end for
puts( 1, "\n" )

Excel

=LET(
  i, SEQUENCE(100),
  isDivBy3, MOD(i, 3) = 0,
  isDivBy5, MOD(i, 5) = 0,
  IFS(
    isDivBy3 * isDivBy5, "FizzBuzz",
    isDivBy3, "Fizz",
    isDivBy5, "Buzz",
    TRUE, i
  )
 )

F#

let fizzbuzz n =
    match n%3 = 0, n%5 = 0 with
    | true, false -> "fizz"
    | false, true -> "buzz"
    | true, true  -> "fizzbuzz"
    | _ -> string n
let printFizzbuzz() =
    [1..100] |> List.iter (fizzbuzz >> printfn "%s")
[1..100]
|> List.map (fun x ->
            match x with
            | _ when x % 15 = 0 ->"fizzbuzz"
            | _ when x % 5 = 0 -> "buzz"
            | _ when x % 3 = 0 -> "fizz"
            | _ ->  x.ToString())
|> List.iter (fun x -> printfn "%s" x)

Another example using (unnecessary) partial active pattern :D

let (|MultipleOf|_|) divisors number =
    if Seq.exists ((%) number >> (<>) 0) divisors
    then None
    else Some ()
let fizzbuzz = function
| MultipleOf [3; 5] -> "fizzbuzz"
| MultipleOf [3]    -> "fizz"
| MultipleOf [5]    -> "buzz"
| n                 -> string n
{ 1 .. 100 }
|> Seq.iter (fizzbuzz >> printfn "%s")

Factor

We get a terse, elegant solution by exploiting that true x and returns x and that the boolean f is also an empty sequence; this allows us to and together the boolean result of mod 0 = with each of "Fizz" or "Buzz", then concatenate those results to get either "Fizz", "Buzz", or "FizzBuzz".

USE: math.parser
100 [1..b] [ { "Fizz" "Buzz" } { 3 5 } [ overd mod 0 = swap and ] 2map concat swap >dec or print ] each

I wrote this solution to demonstrate that defining helper words is not necessary. Factor's shuffle words, combinators, and object system alone give readable, terse solutions that generalize & refactor easily. I write most of my real-world production code like this. Alternative solutions follow.

USING: math kernel io math.functions math.parser math.ranges ;
IN: fizzbuzz
: fizz ( n -- str ) 3 divisor? "Fizz" "" ? ;
: buzz ( n -- str ) 5 divisor? "Buzz" "" ? ;
: fizzbuzz ( n -- str ) dup [ fizz ] [ buzz ] bi append [ number>string ] [ nip ] if-empty ;
: main ( -- ) 100 [1,b] [ fizzbuzz print ] each ;
MAIN: main

More flexible variant without divisibility tests.

USING: kernel sequences arrays generalizations fry math math.parser prettyprint ;
IN: fizzbuzz
: zz ( m seq -- v ) dup length 1 <array> V{ } clone 4 -nrot 1 4 -nrot 3 nrot
 '[ dup _ <= ]
  3 -nrot
 '[
    "" _ [ _ [ swap execute( str n -- str n ) ] change-nth ] each-index
    dup empty? [ drop dup number>string ] [ ] if swapd suffix! swap 1 +
  ]
  while drop ;
: fizz ( str n -- str n ) dup 3 < [ 1 + ] [ drop "Fizz" append 1 ] if ;
: buzz ( str n -- str n ) dup 5 < [ 1 + ] [ drop "Buzz" append 1 ] if ;
: quxx ( str n -- str n ) dup 7 < [ 1 + ] [ drop "Quxx" append 1 ] if ;
: FizzBuzzQuxx ( m -- v ) { fizz buzz quxx } zz ;
: FizzBuzzQuxx-100 ( -- ) 100 FizzBuzzQuxx . ;
MAIN: FizzBuzzQuxx-100

Another approach is leverage Factor's predicate and intersection classes.

USING: io kernel math math.functions math.parser ranges
sequences ;
IN: rosetta-code.fizz-buzz
PREDICATE: fizz < integer 3 divisor? ;
PREDICATE: buzz < integer 5 divisor? ;
INTERSECTION: fizzbuzz fizz buzz ;
GENERIC: fizzbuzz>string ( n -- str )
M: fizz fizzbuzz>string
    drop "Fizz" ;
M: buzz fizzbuzz>string
    drop "Buzz" ;
M: fizzbuzz fizzbuzz>string
    drop "FizzBuzz" ;
M: integer fizzbuzz>string
    number>string ;
MAIN: [ 1 100 [a..b] [ fizzbuzz>string print ] each ]

Falcon

for i in [1:101]
    switch i % 15
    case 0        : > "FizzBuzz"
    case 5,10     : > "Buzz"
    case 3,6,9,12 : > "Fizz"
    default       : > i
    end
end

FALSE

See FizzBuzz/EsoLang

Fantom

class FizzBuzz
{
  public static Void main ()
  {
    for (Int i:=1; i <= 100; ++i)
    {
      if (i % 15 == 0)
        echo ("FizzBuzz")
      else if (i % 3 == 0)
        echo ("Fizz")
      else if (i % 5 == 0)
        echo ("Buzz")
      else
        echo (i)
    }
  }
}

FBSL

No 'MOD 15' needed.

#APPTYPE CONSOLE
DIM numbers AS STRING
DIM imod5 AS INTEGER
DIM imod3 AS INTEGER
FOR DIM i = 1 TO 100
    numbers = ""
    imod3 = i MOD 3
    imod5 = i MOD 5
    IF NOT imod3 THEN numbers = "Fizz"
    IF NOT imod5 THEN numbers = numbers & "Buzz"
    IF imod3 AND imod5 THEN numbers = i
    PRINT numbers, " ";
NEXT
PAUSE
Output:
1 2 Fizz 4 Buzz Fizz 7 8 Fizz Buzz 11 Fizz 13 14 FizzBuzz 16 17 Fizz 19 Buzz Fiz
z 22 23 Fizz Buzz 26 Fizz 28 29 FizzBuzz 31 32 Fizz 34 Buzz Fizz 37 38 Fizz Buzz
 41 Fizz 43 44 FizzBuzz 46 47 Fizz 49 Buzz Fizz 52 53 Fizz Buzz 56 Fizz 58 59 Fi
zzBuzz 61 62 Fizz 64 Buzz Fizz 67 68 Fizz Buzz 71 Fizz 73 74 FizzBuzz 76 77 Fizz
 79 Buzz Fizz 82 83 Fizz Buzz 86 Fizz 88 89 FizzBuzz 91 92 Fizz 94 Buzz Fizz 97
98 Fizz Buzz
Press any key to continue...

Fe

There is no built-in mod function, but you can add it via the C API.

static fe_Object *mod(fe_Context *ctx, fe_Object *args) {
  fe_Number n = fe_tonumber(ctx, fe_nextarg(ctx, &args));
  return fe_number(ctx, fmod(n, fe_tonumber(ctx, fe_nextarg(ctx, &args))));
}

Then, you can solve 'FizzBuzz' the traditional way:

(= i 0)
(while (< i 100)
  (= i (+ i 1))
  (print
    (if (is (mod i 15) 0) "FizzBuzz"
        (is (mod i  3) 0) "Fizz"
        (is (mod i  5) 0) "Buzz"
        i)))

Of course, you can solve this without mod:

(= i 0)
(= fizz 0)
(= buzz 0)
(= fizzbuzz 0)
(while (< i 100)
  (= i (+ i 1))
  (= fizz (+ fizz 1))
  (= buzz (+ buzz 1))
  (= fizzbuzz (+ fizzbuzz 1))
  ; check and reset counters
  (print
    (if (is fizzbuzz 15) (do (= fizzbuzz 0) (= fizz 0) (= buzz 0) "fizzbuzz")
        (is fizz 3) (do (= fizz 0) "fizz")
        (is buzz 5) (do (= buzz 0) "buzz")
        i)))

Fennel

(for [i 1 100]
  (print (if (= (% i 15) 0) :FizzBuzz
             (= (% i 3) 0) :Fizz
             (= (% i 5) 0) :Buzz
             i)))

Use pattern matching and recursive function:

(fn fizz-buzz [from to]
  (print (match [(% from 3) (% from 5)]
           [0 0] :FizzBuzz
           [0 _] :Fizz
           [_ 0] :Buzz
           _     from))
  (when (< from to)
    (fizz-buzz (+ from 1) to)))
(fizz-buzz 1 100)

Alternative matching pattern:

Translation of: D

(for [i 1 100]
  (print (match (% i 15)
           0                     :FizzBuzz
           (where (or 3 6 9 12)) :Fizz
           (where (or 5 10)      :Buzz
           _                      i)))

Flang

Two things are on display here. First, the split into proved and ordinary functions: classifying one number and mapping a list are both total function / тотальная функция (proved terminating), but counting from 1 to 100 is not — flang's termination analysis accepts only structural descent (the tail of a list, a field of a record or variant), and n plus 1 is arithmetic, not a part of a value. So the loop costs exactly one unproved function, and the compiler says so instead of the author claiming otherwise. Second, there is no output: the language is pure, so "print" means "return a list of strings", and the example / пример blocks below check that list against the task.

The second listing is the same program written with flang's English keyword surface. Both surfaces parse to the same AST; here that was verified by comparing the two ASTs with names and source positions stripped.

модуль «Физз-базз»
тотальная функция «Приписать в начало»
  принимает первое: число, элементы: список числа
  возвращает список числа
  пример «В пустой»
    дано первое равно 1
    дано элементы равно пустой список
    ожидается [1]
  свёртка элементы начиная с [первое] как акк и эл → добавить эл к акк
тотальная функция «Слово для числа»
  принимает н: число
  возвращает строка
  пример «Кратно трём»
    дано н равно 9
    ожидается "Fizz"
  пример «Кратно пяти»
    дано н равно 10
    ожидается "Buzz"
  пример «Кратно пятнадцати»
    дано н равно 15
    ожидается "FizzBuzz"
  пример «Ни то ни другое»
    дано н равно 7
    ожидается "7"
  если (н остаток от 15) равен 0
    то "FizzBuzz"
    иначе
      если (н остаток от 3) равен 0
        то "Fizz"
        иначе
          если (н остаток от 5) равен 0
            то "Buzz"
            иначе к строке н
тотальная функция «Физз-базз списка»
  принимает элементы: список числа
  возвращает список строки
  пример «Первая дюжина»
    дано элементы равно [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12]
    ожидается ["1", "2", "Fizz", "4", "Buzz", "Fizz", "7", "8", "Fizz", "Buzz", "11", "Fizz"]
  пример «Пустой список»
    дано элементы равно пустой список
    ожидается пустой список
  отобразить элементы как эл → «Слово для числа» от эл
функция «Числа от и до»
  принимает начало: число, конец: число
  возвращает список числа
  пример «От одного до пяти»
    дано начало равно 1
    дано конец равно 5
    ожидается [1, 2, 3, 4, 5]
  пример «Пустой промежуток»
    дано начало равно 5
    дано конец равно 1
    ожидается пустой список
  если начало больше конец
    то пустой список
    иначе «Приписать в начало» от начало и («Числа от и до» от (начало плюс 1) и конец)
функция «Физз-базз»
  принимает предел: число
  возвращает список строки
  пример «Условие задачи: до ста»
    дано предел равно 100
    ожидается ["1", "2", "Fizz", "4", "Buzz", "Fizz", "7", "8", "Fizz", "Buzz", "11", "Fizz", "13", "14", "FizzBuzz", "16", "17", "Fizz", "19", "Buzz", "Fizz", "22", "23", "Fizz", "Buzz", "26", "Fizz", "28", "29", "FizzBuzz", "31", "32", "Fizz", "34", "Buzz", "Fizz", "37", "38", "Fizz", "Buzz", "41", "Fizz", "43", "44", "FizzBuzz", "46", "47", "Fizz", "49", "Buzz", "Fizz", "52", "53", "Fizz", "Buzz", "56", "Fizz", "58", "59", "FizzBuzz", "61", "62", "Fizz", "64", "Buzz", "Fizz", "67", "68", "Fizz", "Buzz", "71", "Fizz", "73", "74", "FizzBuzz", "76", "77", "Fizz", "79", "Buzz", "Fizz", "82", "83", "Fizz", "Buzz", "86", "Fizz", "88", "89", "FizzBuzz", "91", "92", "Fizz", "94", "Buzz", "Fizz", "97", "98", "Fizz", "Buzz"]
  «Физз-базз списка» от («Числа от и до» от 1 и предел)

The same program on flang's English keyword surface:

module «FizzBuzz»
total function «Prepend»
  accepts element: number, items: list of number
  returns list of number
  example «Into an empty list»
    given element equals 1
    given items equals empty list
    expected [1]
  fold items starting with [element] as acc and elem → add elem to acc
total function «Word for number»
  accepts n: number
  returns string
  example «Divisible by three»
    given n equals 9
    expected "Fizz"
  example «Divisible by five»
    given n equals 10
    expected "Buzz"
  example «Divisible by fifteen»
    given n equals 15
    expected "FizzBuzz"
  example «Neither»
    given n equals 7
    expected "7"
  if (n modulo 15) equals 0
    then "FizzBuzz"
    else
      if (n modulo 3) equals 0
        then "Fizz"
        else
          if (n modulo 5) equals 0
            then "Buzz"
            else to text n
total function «FizzBuzz of list»
  accepts items: list of number
  returns list of string
  example «First dozen»
    given items equals [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12]
    expected ["1", "2", "Fizz", "4", "Buzz", "Fizz", "7", "8", "Fizz", "Buzz", "11", "Fizz"]
  example «Empty list»
    given items equals empty list
    expected empty list
  map items as elem → «Word for number» of elem
function «Numbers from and to»
  accepts start: number, finish: number
  returns list of number
  example «One to five»
    given start equals 1
    given finish equals 5
    expected [1, 2, 3, 4, 5]
  example «Empty range»
    given start equals 5
    given finish equals 1
    expected empty list
  if start is greater than finish
    then empty list
    else «Prepend» of start and («Numbers from and to» of (start plus 1) and finish)
function «FizzBuzz»
  accepts limit: number
  returns list of string
  example «The task: up to one hundred»
    given limit equals 100
    expected ["1", "2", "Fizz", "4", "Buzz", "Fizz", "7", "8", "Fizz", "Buzz", "11", "Fizz", "13", "14", "FizzBuzz", "16", "17", "Fizz", "19", "Buzz", "Fizz", "22", "23", "Fizz", "Buzz", "26", "Fizz", "28", "29", "FizzBuzz", "31", "32", "Fizz", "34", "Buzz", "Fizz", "37", "38", "Fizz", "Buzz", "41", "Fizz", "43", "44", "FizzBuzz", "46", "47", "Fizz", "49", "Buzz", "Fizz", "52", "53", "Fizz", "Buzz", "56", "Fizz", "58", "59", "FizzBuzz", "61", "62", "Fizz", "64", "Buzz", "Fizz", "67", "68", "Fizz", "Buzz", "71", "Fizz", "73", "74", "FizzBuzz", "76", "77", "Fizz", "79", "Buzz", "Fizz", "82", "83", "Fizz", "Buzz", "86", "Fizz", "88", "89", "FizzBuzz", "91", "92", "Fizz", "94", "Buzz", "Fizz", "97", "98", "Fizz", "Buzz"]
  «FizzBuzz of list» of («Numbers from and to» of 1 and limit)

FOCAL

FITR is a built-in function that truncates a floating-point number to an integer. Note that FOCAL uses an arithmetic (three-way) IF statement, rather like early Fortran.

01.10 FOR I=1,100; DO 2.0
01.20 QUIT
02.10 SET ZB=I/15 - FITR(I/15)
02.20 IF (ZB) 2.4, 2.3, 2.4
02.30 TYPE "FizzBuzz" !
02.35 RETURN
02.40 SET Z=I/3 - FITR(I/3)
02.50 IF (Z) 2.7, 2.6, 2.7
02.60 TYPE "Fizz" !
02.65 RETURN
02.70 SET B=I/5 - FITR(I/5)
02.80 IF (B) 2.99, 2.9, 2.99
02.90 TYPE "Buzz" !
02.95 RETURN
02.99 TYPE %3, I, !

Fermat

for i = 1 to 100 do if i|15=0 then !'FizzBuzz ' else if i|5=0 then !'Buzz ' else if i|3=0 then !'Fizz ' else !i;!' ' fi fi fi od
Output:
1 2 Fizz 4 Buzz Fizz 7 8 Fizz Buzz 11 Fizz 13 14 FizzBuzz 16 17 Fizz 19 Buzz Fizz 22 23 Fizz Buzz 26 Fizz 28 29 FizzBuzz 31 32 Fizz 34 Buzz Fizz 37 38 Fizz Buzz 41 Fizz 43 44 FizzBuzz 46 47 Fizz 49 Buzz Fizz 52 53 Fizz Buzz 56 Fizz 58 59 FizzBuzz 61 62 Fizz 64 Buzz Fizz 67 68 Fizz Buzz 71 Fizz 73 74 FizzBuzz 76 77 Fizz 79 Buzz Fizz 82 83 Fizz Buzz 86 Fizz 88 89 FizzBuzz 91 92 Fizz 94 Buzz Fizz 97 98 Fizz Buzz

Fish

See FizzBuzz/EsoLang#Fish

Forth

table-driven

: fizz ( n -- ) drop ." Fizz" ;
: buzz ( n -- ) drop ." Buzz" ;
: fb   ( n -- ) drop ." FizzBuzz" ;
: vector create does> ( n -- )
  over 15 mod cells + @ execute ;
vector .fizzbuzz
  ' fb   , ' . ,    ' . ,
  ' fizz , ' . ,    ' buzz ,
  ' fizz , ' . ,    ' . ,
  ' fizz , ' buzz , ' . ,
  ' fizz , ' . ,    ' . ,

or the classic approach

: .fizzbuzz ( n -- )
  0 pad c!
  dup 3 mod 0= if s" Fizz" pad  place then
  dup 5 mod 0= if s" Buzz" pad +place then
  pad c@ if drop pad count type else . then ;
: zz ( n -- )
  1+ 1 do i .fizzbuzz cr loop ;
100 zz

the well factored approach

SYNONYM is a Forth200x word.

SYNONYM NOT INVERT \ Bitwise boolean not
: Fizz?  ( n -- ? )  3 MOD 0=  DUP IF ." Fizz" THEN ;
: Buzz?  ( n -- ? )  5 MOD 0=  DUP IF ." Buzz" THEN ;
: ?print  ( n ? -- )  IF . THEN ;
: FizzBuzz  ( -- )
   101 1 DO CR  I  DUP Fizz? OVER Buzz? OR  NOT ?print  LOOP ;
FizzBuzz

the unrolled approach

: n     ( n -- n+1 )    dup .         1+ ;
: f     ( n -- n+1 )    ." Fizz "     1+ ;
: b     ( n -- n+1 )    ." Buzz "     1+ ;
: fb    ( n -- n+1 )    ." FizzBuzz " 1+ ;
: fb10  ( n -- n+10 )   n n f n b f n n f b ;
: fb15  ( n -- n+15 )   fb10 n f n n fb ;
: fb100 ( n -- n+100 )  fb15 fb15 fb15 fb15 fb15 fb15 fb10 ;
: .fizzbuzz ( -- )      1 fb100 drop ;

manipulating return stack

: | >r >r dup r> mod 0= if r> count type drop then r> drop ;
: fizzbuzz1 15 c" FizzBuzz " | 3 c" Fizz " | 5 c" Buzz " | . ;
: fizzbuzz 101 1 do i fizzbuzz1 loop ;
fizzbuzz

Fortran

In ANSI FORTRAN 77 or later use structured IF-THEN-ELSE (example uses some ISO Fortran 90 features):

program fizzbuzz_if
   integer :: i
   do i = 1, 100
      if     (mod(i,15) == 0) then; print *, 'FizzBuzz'
      else if (mod(i,3) == 0) then; print *, 'Fizz'
      else if (mod(i,5) == 0) then; print *, 'Buzz'
      else;                         print *, i
      end if
   end do
end program fizzbuzz_if

This example uses If statements to print "Fizz" and "Buzz" next to each other if the number is divisible by 3 and 5 by waiting to use a line break until after the If statements.

program FizzBuzz
implicit none
integer :: i = 1
do i = 1, 100
    if (Mod(i,3) == 0)write(*,"(A)",advance='no')  "Fizz"
    if (Mod(i,5) == 0)write(*,"(A)",advance='no') "Buzz"
    if (Mod(i,3) /= 0 .and. Mod(i,5) /=0 )write(*,"(I3)",advance='no') i
    print *, ""
end do
end program FizzBuzz

In ISO Fortran 90 or later use SELECT-CASE statement:

program fizzbuzz_select
    integer :: i
    do i = 1, 100
       select case (mod(i,15))
          case 0;        print *, 'FizzBuzz'
          case 3,6,9,12; print *, 'Fizz'
          case 5,10;     print *, 'Buzz'
          case default;  print *, i
       end select
    end do
 end program fizzbuzz_select

FreeBASIC

See FizzBuzz/Basic

Frege

gen n word = cycle (take (n - 1) (repeat "") ++ [word])
pattern = zipWith (++) (gen 3 "fizz") (gen 5 "buzz")
fizzbuzz = zipWith combine pattern [1..] where
    combine word number = if null word
                             then show number
                             else word
show $ take 100 fizzbuzz

Frink

for i = 1 to 100
{
   flag = false
   if i mod 3 == 0
   {
      flag = true
      print["Fizz"]
   }
   if i mod 5 == 0
   {
      flag = true
      print["Buzz"]
   }
   if flag == false
      print[i]
   println[]
}

FutureBasic

include "NSLog.incl"
long fizz, buzz, i
for i = 1 to 100
  fizz = (i % 3 )
  buzz = (i % 5 )
  if fizz + buzz == 0 then NSLog(@"FizzBuzz") : continue
  if fizz == 0 then NSLog(@"Fizz") : continue
  if buzz == 0 then NSLog(@"Buzz") : continue
  NSLog(@"%ld",i)
next i
HandleEvents

Output:

1
2
Fizz
4
Buzz
Fizz
7
8
Fizz
Buzz
11
Fizz
13
14
FizzBuzz
16
17
Fizz
19
Buzz
Fizz
22
23
Fizz
Buzz
26
Fizz
28
29
FizzBuzz
31
32
Fizz
34
Buzz
Fizz
37
38
Fizz
Buzz
41
Fizz
43
44
FizzBuzz
46
47
Fizz
49
Buzz
Fizz
52
53
Fizz
Buzz
56
Fizz
58
59
FizzBuzz
61
62
Fizz
64
Buzz
Fizz
67
68
Fizz
Buzz
71
Fizz
73
74
FizzBuzz
76
77
Fizz
79
Buzz
Fizz
82
83
Fizz
Buzz
86
Fizz
88
89
FizzBuzz
91
92
Fizz
94
Buzz
Fizz
97
98
Fizz
Buzz

Fōrmulæ

Fōrmulæ programs are not textual, visualization/edition of programs is done showing/manipulating structures but not text. Moreover, there can be multiple visual representations of the same program. Even though it is possible to have textual representation —i.e. XML, JSON— they are intended for storage and transfer purposes more than visualization and edition.

Programs in Fōrmulæ are created/edited online in its website.

In this page you can see and run the program(s) related to this task and their results. You can also change either the programs or the parameters they are called with, for experimentation, but remember that these programs were created with the main purpose of showing a clear solution of the task, and they generally lack any kind of validation.

Solution

Gambas

Click this link to run this code

Public Sub Main()
Dim siCount As Short
Dim sText As String
For siCount = 1 To 100
  sText = ""
  If siCount Mod 3 = 0 Then sText = "Fizz"
  If siCount Mod 5 = 0 Then sText = "Buzz"
  If siCount Mod 15 = 0 Then sText = "FizzBuzz"
  If sText Then Print sText Else Print siCount
Next
End

Output:

1
2
Fizz
4
Buzz
Fizz
7
8
Fizz
Buzz
11
Fizz
13
14
FizzBuzz
16
17
Fizz
19
Buzz
Fizz
22
23
Fizz
Buzz
26
Fizz
28
29
FizzBuzz
31
32
Fizz
34
Buzz
Fizz
37
38
Fizz
Buzz
41
Fizz
43
44
FizzBuzz
46
47
Fizz
49
Buzz
Fizz
52
53
Fizz
Buzz
56
Fizz
58
59
FizzBuzz
61
62
Fizz
64
Buzz
Fizz
67
68
Fizz
Buzz
71
Fizz
73
74
FizzBuzz
76
77
Fizz
79
Buzz
Fizz
82
83
Fizz
Buzz
86
Fizz
88
89
FizzBuzz
91
92
Fizz
94
Buzz
Fizz
97
98
Fizz
Buzz

GAP

FizzBuzz := function()
	local i;
	for i in [1 .. 100] do
		if RemInt(i, 15) = 0 then
			Print("FizzBuzz\n");
		elif RemInt(i, 3) = 0 then
			Print("Fizz\n");
		elif RemInt(i, 5) = 0 then
			Print("Buzz\n");
		else
			Print(i, "\n");
		fi;
	od;
end;

GDScript

extends Node
func _ready():
	for i in range(1, 101):
		if i % 15 == 0:
			print("FizzBuzz")
		elif i % 3 == 0:
			print("Fizz")
		elif i % 5 == 0:
			print("Buzz")
		else:
			print(i)
	get_tree().quit()

Genyris

@prefix u "http://www.genyris.org/lang/utilities#"
def fizzbuzz (n)
    map-left ^((3 = 'fizz') (5 = 'buzz'))
        lambda (d)
            cond
                (equal? 0 (% n d!left))
                    d!right
                else
                    ''
for n in (range 1 100)
    define fb (''(.join (fizzbuzz n)))
    u:format "%a\n"
        cond
            (equal? fb '')
                n
            else
                fb

GFA Basic

' Fizz Buzz
'
FOR i%=1 TO 100
  IF i% MOD 15=0
    PRINT "FizzBuzz"
  ELSE IF i% MOD 3=0
    PRINT "Fizz"
  ELSE IF i% MOD 5=0
    PRINT "Buzz"
  ELSE
    PRINT i%
  ENDIF
NEXT i%

ghūl

use IO.Std.write_line;
for i in 1::100 do
    write_line(
        if i % 15 == 0 then
            "FizzBuzz"
        elif i % 3 == 0 then
            "Fizz"
        elif i % 5 == 0 then
            "Buzz"
        else
            "{i}"
        fi
    );
od
Output:
1
2
Fizz
4
Buzz
Fizz
7
8
Fizz
Buzz
11
Fizz
13
14
FizzBuzz
16
17
Fizz
19
Buzz
Fizz
22
23
Fizz
Buzz
26
Fizz
28
29
FizzBuzz
31
32
Fizz
34
Buzz
Fizz
37
38
Fizz
Buzz
41
Fizz
43
44
FizzBuzz
46
47
Fizz
49
Buzz
Fizz
52
53
Fizz
Buzz
56
Fizz
58
59
FizzBuzz
61
62
Fizz
64
Buzz
Fizz
67
68
Fizz
Buzz
71
Fizz
73
74
FizzBuzz
76
77
Fizz
79
Buzz
Fizz
82
83
Fizz
Buzz
86
Fizz
88
89
FizzBuzz
91
92
Fizz
94
Buzz
Fizz
97
98
Fizz
Buzz

Gleam

import gleam/int
import gleam/io
import gleam/list
pub fn main() {
  int.range(100, 0, [], list.prepend)
  |> list.map(fizz_buzz)
  |> list.each(io.println)
}
pub fn fizz_buzz(i) {
  case i % 3, i % 5 {
    0, 0 -> "FizzBuzz"
    0, _ -> "Fizz"
    _, 0 -> "Buzz"
    _, _ -> int.to_string(i)
  }
}

Go

switch/case approach

package main
import "fmt"
func main() {
    for i := 1; i <= 100; i++ {
        switch {
        case i%15==0:
            fmt.Println("FizzBuzz")
        case i%3==0:
            fmt.Println("Fizz")
        case i%5==0:
            fmt.Println("Buzz")
        default:
            fmt.Println(i)
        }
    }
}

map approach

package main
import "fmt"
func main() {
    for i := 1; i <= 100; i++ {
        fmt.Println(map[bool]map[bool]interface{}{
            false: {false: i, true: "Fizz"}, true: {false: "Buzz", true: "FizzBuzz"},
        }[i%5 == 0][i%3 == 0])
    }
}

Golfscript

100,{)6,{.(&},{1$1$%{;}{4*35+6875*25base{90\-}%}if}%\or}%n*

Golo

module FizzBuzz
augment java.lang.Integer {
	function getFizzAndOrBuzz = |this| -> match {
		when this % 15 == 0 then "FizzBuzz"
		when this % 3 == 0 then "Fizz"
		when this % 5 == 0 then "Buzz"
		otherwise this
	}
}
function main = |args| {
  foreach i in [1..101] {
	println(i: getFizzAndOrBuzz())
  }
}

Gosu

for (i in 1..100) {
    if (i % 3 == 0 && i % 5 == 0) {
        print("FizzBuzz")
        continue
    }
    if (i % 3 == 0) {
        print("Fizz")
        continue
    }
    if (i % 5 == 0) {
        print("Buzz")
        continue
    }
    // default
    print(i)
}

One liner version (I added new lines to better readability but when you omit them it's one liner):

// note that compiler reports error (I don't know why) but still it's working
for (i in 1..100) {
    print(i % 5 == 0 ? i % 3 == 0 ? "FizzBuzz" : "Buzz" : i % 3 == 0 ? "Fizz" : i)
}

Groovy

1.upto(100) { i -> println "${i % 3 ? '' : 'Fizz'}${i % 5 ? '' : 'Buzz'}" ?: i }

GW-BASIC

See FizzBuzz/Basic

Hare

use fmt;
export fn main() void = {
	for (let i = 1z; i <= 100; i += 1) {
		fmt::println(
			if (i % 15 == 0) "FizzBuzz"
			else if (i % 3 == 0) "Fizz"
			else if (i % 5 == 0) "Buzz"
			else i
		)!;
	};
};

Haskell

Variant directly implementing the specification:

fizzbuzz :: Int -> String
fizzbuzz x
  | f 15 = "FizzBuzz"
  | f 3 = "Fizz"
  | f 5 = "Buzz"
  | otherwise = show x
  where
    f = (0 ==) . rem x
main :: IO ()
main = mapM_ (putStrLn . fizzbuzz) [1 .. 100]
fizzbuzz :: Int -> String
fizzbuzz n =
  '\n' :
  if null (fizz ++ buzz)
    then show n
    else fizz ++ buzz
  where
    fizz =
      if mod n 3 == 0
        then "Fizz"
        else ""
    buzz =
      if mod n 5 == 0
        then "Buzz"
        else ""
main :: IO ()
main = putStr $ concatMap fizzbuzz [1 .. 100]

Does not perform the mod 15 step, extesible to arbitrary addtional tests, ex: [bar| n `mod` 7 == 0].

main = mapM_ (putStrLn . fizzbuzz) [1..100]
fizzbuzz n =
    show n <|> [fizz| n `mod` 3 == 0] ++
               [buzz| n `mod` 5 == 0]
-- A simple default choice operator.
-- Defaults if both fizz and buzz fail, concats if any succeed.
infixr 0 <|>
d <|> [] = d
_ <|> x = concat x
fizz = "Fizz"
buzz = "Buzz"

Alternate implementation using lazy infinite lists and avoiding use of "mod":

main = mapM_ putStrLn $ take 100 $ zipWith show_number_or_fizzbuzz [1..] fizz_buzz_list
show_number_or_fizzbuzz x y = if null y then show x else y
fizz_buzz_list = zipWith (++) (cycle ["","","Fizz"]) (cycle ["","","","","Buzz"])

Or in terms (still without mod or rem) of an applicative ZipList:

import Control.Applicative ( ZipList(ZipList, getZipList) )
fizzBuzz :: [String]
fizzBuzz =
  getZipList $ go <$>
    ZipList (cycle $ replicate 2 [] <> ["fizz"]) <*>
    ZipList (cycle $ replicate 4 [] <> ["buzz"]) <*>
    ZipList (show <$> [1 ..])
go :: String -> String -> String -> String
go f b n
  | null f && null b = n
  | otherwise = f <> b
main :: IO ()
main = mapM_ putStrLn $ take 100 fizzBuzz

or using an applicative test:

import Data.Bool (bool)
fizzBuzz :: [String]
fizzBuzz =
  let fb n k = cycle $ replicate (pred n) [] <> [k]
   in zipWith
        (flip . bool <*> null)
        (zipWith (<>) (fb 3 "fizz") (fb 5 "buzz"))
        (show <$> [1 ..])
main :: IO ()
main = mapM_ putStrLn $ take 100 fizzBuzz

Using heavy artillery (needs the mtl package):

import Control.Monad.State
import Control.Monad.Trans
import Control.Monad.Writer
main = putStr $ execWriter $ mapM_ (flip execStateT True . fizzbuzz) [1..100]
fizzbuzz :: Int -> StateT Bool (Writer String) ()
fizzbuzz x = do
 when (x `mod` 3 == 0) $ tell "Fizz" >> put False
 when (x `mod` 5 == 0) $ tell "Buzz" >> put False
 get >>= (flip when $ tell $ show x)
 tell "\n"

Using guards plus where.

fizzBuzz :: (Integral a) => a -> String
fizzBuzz i
  | fizz && buzz = "FizzBuzz"
  | fizz         = "Fizz"
  | buzz         = "Buzz"
  | otherwise    = show i
  where fizz = i `mod` 3 == 0
        buzz = i `mod` 5 == 0
main = mapM_ (putStrLn . fizzBuzz) [1..100]

An elegant solution exploiting monoidal and applicative properties of functions:

import Data.Monoid
fizzbuzz = max
       <$> show
       <*> "fizz" `when` divisibleBy 3
       <>  "buzz" `when` divisibleBy 5
       <>  "quxx" `when` divisibleBy 7
  where
    when m p x = if p x then m else mempty
    divisibleBy n x = x `mod` n == 0
main = mapM_ (putStrLn . fizzbuzz) [1..100]

And pattern matching approach:

fizzbuzz n = case (rem n 3, rem n 5) of
               (0, 0) -> "FizzBuzz"
               (0, _) -> "Fizz"
               (_, 0) -> "Buzz"
               (_, _) -> show n
main = mapM_ (putStrLn . fizzbuzz) [1..100]

Generalised solution:

wordthing :: [(Int, String)] -> Int -> String
wordthing lst n =
  if matches == [] then
    show n
  else
    concat $ map snd matches
  where matches = filter (\x -> n `mod` (fst x) == 0) lst
fizzbuzz :: Int -> String
fizzbuzz = wordthing [(3, "Fizz"), (5, "Buzz")]
main = do
  mapM_ (putStrLn . fizzbuzz) [1..100]

hexiscript

for let i 1; i <= 100; i++
  if   i % 3 = 0 && i % 5 = 0; println "FizzBuzz"
  elif i % 3 = 0; println "Fizz"
  elif i % 5 = 0; println "Buzz"
  else println i; endif
endfor

Hica

fun fizzbuzz(n) =>
  if n % 15 == 0 { "FizzBuzz" }
  else if n % 3 == 0 { "Fizz" }
  else if n % 5 == 0 { "Buzz" }
  else { "{n}" }
fun main() {
  for i in 1..100 {}
    println(fizzbuzz(i))
  }
}

HicEst

DO i = 1, 100
  IF(     MOD(i, 15) == 0 ) THEN
    WRITE() "FizzBuzz"
  ELSEIF( MOD(i, 5) == 0 ) THEN
    WRITE() "Buzz"
  ELSEIF( MOD(i, 3) == 0 ) THEN
    WRITE() "Fizz"
  ELSE
    WRITE() i
  ENDIF
ENDDO

Alternatively:

CHARACTER string*8
DO i = 1, 100
  string = " "
  IF( MOD(i, 3) == 0 ) string = "Fizz"
  IF( MOD(i, 5) == 0 ) string = TRIM(string) // "Buzz"
  IF( string == " ") WRITE(Text=string) i
  WRITE() string
ENDDO

Hobbes

Using a list comprehension with conditional expressions:

[putStrLn(if (n%15==0) then "FizzBuzz"
          else if (n%3==0) then "Fizz"
          else if (n%5==0) then "Buzz"
          else show(n))
 | n <- [1..100]]

Alternatively, using pattern matching on a tuple (in a .hob file):

fizzbuzz :: int -> [char]
fizzbuzz n =
  match (n % 3, n % 5) with
  | (0, 0) -> "FizzBuzz"
  | (0, _) -> "Fizz"
  | (_, 0) -> "Buzz"
  | _      -> show(n)
// Usage: [putStrLn(fizzbuzz(n)) | n <- [1..100]]

HolyC

U8 i;
for (i = 1; i <= 100; i++) {
  if (!(i % 15))
    Print("FizzBuzz");
  else if (!(i % 3))
    Print("Fizz");
  else if (!(i % 5))
    Print("Buzz");
  else
    Print("%d", i);
  Print("\n");
}

Hoon

:-  %say
|=  [^ ~ ~]
  :-  %noun
  %+  turn   (gulf [1 101])
  |=  a=@
    =+  q=[=(0 (mod a 3)) =(0 (mod a 5))]
    ?+  q  <a>
      [& &]  "FizzBuzz"
      [& |]  "Fizz"
      [| &]  "Buzz"
    ==

Huginn

import Algorithms as algo;
main( argv_ ) {
	if ( size( argv_ ) < 2 ) {
		throw Exception( "usage: fizzbuzz {NUM}" );
	}
	top = integer( argv_[1] );
	for ( i : algo.range( 1, top + 1 ) ) {
		by3 = ( i % 3 ) == 0;
		by5 = ( i % 5 ) == 0;
		if ( by3 ) {
			print( "fizz" );
		}
		if ( by5 ) {
			print( "buzz" );
		}
		if ( ! ( by3 || by5 ) ) {
			print( i );
		}
		print( "\n" );
	}
	return ( 0 );
}

Hy

(for [i (range 1 101)] (print (cond
  [(not (% i 15)) "FizzBuzz"]
  [(not (% i  5)) "Buzz"]
  [(not (% i  3)) "Fizz"]
  [True           i])))

i

software {
	for each 1 to 100
		if i % 15 = 0
			print("FizzBuzz")
		else if i % 3 = 0
			print("Fizz")
		else if i % 5 = 0
			print("Buzz")
		else
			print(i)
		end
	end
}

IBM 1620 SPS

     START RCTY
     LOOP  SM  FC,1
           SM  BC,1
           CM  FC,0
           BNE DOBUZ
           WATYFIZZ
           AM  OUT,1
           AM  FC,3
     DOBUZ CM  BC,0
           BNE END
           WATYBUZZ
           AM  OUT,1
           AM  BC,5
     END   CM  OUT,0
           BNE ENDL
           WNTYIT-2
     ENDL  AM  IT,1
           SM  COUNT,1
           TFM OUT,0
           RCTY
           CM  COUNT,0
           BNE LOOP
           H
     FIZZ  DAC 5,FIZZ@
     BUZZ  DAC 5,BUZZ@
     FC    DC  5,3
     BC    DC  5,5
     OUT   DC  5,0
     IT    DC  5,1
           DC  1,@
     COUNT DC  5,100
           DENDSTART

Icon and Unicon

# straight-forward modulo tester
procedure main()
    every i := 1 to 100 do
        if i % 15 = 0 then
            write("FizzBuzz")
        else if i % 5 = 0 then
            write("Buzz")
        else if i % 3 = 0 then
            write("Fizz")
        else
            write(i)
end
# idiomatic modulo tester, 1st alternative
procedure main()
    every i := 1 to 100 do
        write((i % 15 = 0 & "FizzBuzz") | (i % 5 = 0 & "Buzz") | (i % 3 = 0 & "Fizz") | i)
end
# idiomatic modulo tester, 2nd alternative
procedure main()
    every i := 1 to 100 do
        write(case 0 of {
                 i % 15 : "FizzBuzz"
                 i % 5  : "Buzz"
                 i % 3  : "Fizz"
                 default: i
        })
end
# straight-forward buffer builder
procedure main()
    every i := 1 to 100 do {
        s := ""
        if i % 3 = 0 then
            s ||:= "Fizz"
        if i % 5 = 0 then
            s ||:= "Buzz"
        if s == "" then
            s := i
        write(s)
    }
end
# idiomatic buffer builder, 1st alternative
procedure main()
    every i := 1 to 100 do
        write("" ~== (if i % 3 = 0 then "Fizz" else "") || (if i % 5 == 0 then "Buzz" else "") | i)
end
# idiomatic buffer builder, 2nd alternative
procedure main()
    every i := 1 to 100 do {
        s   := if i%3 = 0 then "Fizz" else ""
        s ||:= if i%5 = 0 then "Buzz"
        write(("" ~= s) | i)
    }
end

Idris

partial
fizzBuzz : Nat -> String
fizzBuzz n = if (n `modNat` 15) == 0 then "FizzBuzz"
             else if (n `modNat` 3) == 0 then "Fizz"
             else if (n `modNat` 5)  == 0 then "Buzz"
             else show n
main : IO ()
main = sequence_ $ map (putStrLn . fizzBuzz) [1..100]

Inform 6

[ Main i;
    for (i = 1: i <= 100: i++) {
        if (i % 3 == 0)
            print "Fizz";
        if (i % 5 == 0)
            print "Buzz";
        if (i % 3 ~= 0 && i % 5 ~= 0)
            print i;
        print "^";
    }
];

Inform 7

(Does not work in the current version of Inform 7)

Home is a room.
When play begins:
	repeat with N running from 1 to 100:
		let printed be false;
		if the remainder after dividing N by 3 is 0:
			say "Fizz";
			now printed is true;
		if the remainder after dividing N by 5 is 0:
			say "Buzz";
			now printed is true;
		if printed is false, say N;
		say ".";
	end the story.

(Version which is less "programmy", and more in the natural English style of interactive fiction.)

The space is a room.  An item is a kind of thing.  In the space are 100 items.
To say the name:
	let the count be the number of items carried by the player;
	say "[if the count is the count to the nearest 15]fizzbuzz.[otherwise if the count is the count to the nearest 3]fizz.[otherwise if the count is the count to the nearest 5]buzz.[otherwise][the count in words].".
To count:
	if an item is in the space
	begin;
		let the next one be a random item in the space; silently try taking the next one;
		say "[the name]" in sentence case;
		count;
		end the story;
	end if.
When play begins: count.  Use no scoring.

Insitux

(function fizzbuzz n
  (match (map (rem n) [3 5])
    [0 0] "FizzBuzz"
    [0 _] "Fizz"
    [_ 0] "Buzz"
    n))
(loop 100 i
  (-> i inc fizzbuzz print))

Io

Here's one way to do it:

for(a,1,100,
   if(a % 15 == 0) then(
      "FizzBuzz" println
   ) elseif(a % 3 == 0) then(
      "Fizz" println
   ) elseif(a % 5 == 0) then(
      "Buzz" println
   ) else (
      a println
   )
)

And here's a port of the Ruby version, which I personally prefer:

a := 0; b := 0
for(n, 1, 100,
    if(a = (n % 3) == 0, "Fizz" print);
    if(b = (n % 5) == 0, "Buzz" print);
    if(a not and b not, n print);
    "\n" print
)

And here is another more idiomatic version:

for (n, 1, 100,
    fb := list (
        if (n % 3 == 0, "Fizz"),
        if (n % 5 == 0, "Buzz")) select (isTrue)
    if (fb isEmpty, n, fb join) println
)

Ioke

(1..100) each(x,
  cond(
    (x % 15) zero?, "FizzBuzz" println,
    (x % 3) zero?, "Fizz" println,
    (x % 5) zero?, "Buzz" println
  )
)

Iptscrae

; FizzBuzz in Iptscrae
1 a =
{
   "" b =
   { "fizz" b &= } a 3 % 0 == IF
   { "buzz" b &= } a 5 % 0 == IF
   { a ITOA LOGMSG } { b LOGMSG } b STRLEN 0 == IFELSE
   a ++
}
{ a 100 <= } WHILE

IS-BASIC

See FizzBuzz/Basic

J

"One number at a time" solutions

Perhaps the most concise approach would be

(":[^:(0=#@])Fizz`Buzz;@#~0=3 5&|)"0>:i.100

This uses Copy (#) to apply a 2-integer replication vector to the boxed array 'Fizz';'Buzz', and then razes (;) the result, producing either 'Fizz', 'Buzz', or 'FizzBuzz'. The expression Fizz`Buzz exploits an implementation detail of Tie (`) to create two boxed strings. ": [^:(0=#@]) ... conditionally replaces the result of Copy with the formatted input number if the former is empty.

A more elegant version, in that it treats all cases symmetrically:

((+:/,])@(0=3 5&|);@#Fizz`Buzz;~":)"0>:i.100

This version prepends the formatted input number to the boxed array consisting of 'Fizz';'Buzz', and computes a 3-integer replication vector to select from it. (+:/,])@(0=3 5&|) says to append 1 (to select the formatted number), if the input is neither divisible by 3 nor 5, or otherwise to append 0 (+: is NOR). So the replication vector ends up being 0 1 0 (selecting 'Fizz'), 0 0 1 ('Buzz'), 0 1 1 ('FizzBuzz'), or 1 0 0 (the formatted number).

Using antibase and indexing:

>((2#.0=5 3|]){Fizz`Buzz`FizzBuzz;~":)&>1+i.100

This solution uses antibase (#.) to decode e.g. 1 1 (a possible result of 5 3|]) from base-2 into base-10, yielding e.g. 3, which is used to select appropriate output from the vector of strings.

A more complex approach:

>((2#.3 q:15&+.){(|.(;~;);:'Fizz Buzz');~":)&>1+i.100

You can run this here: >((2#.3 q:15&+.){(|.(;~,&;);:'Fizz Buzz');~":)&>1+i.100

(The above is a live link to a browser based implementation of fizzbuzz in J. To see how this expression works, remove the leading > leaving items in boxes rather than on lines by themselves. And, then, replace the { with ; which means that instead of using the left argument to select (index) from a list of boxes, the left argument is appended in a box to the left of those boxes. Perhaps also replace the 100 with 20 to shrink the result size. If you remove the 1+i.20 (or 1+i.100) entirely, that would display as the verb (function) which is applied to each number.)

Other approaches are possible:
Solution _1: Using agent (@.) as a switch:

":`('Fizz'"_)`('Buzz'"_)`('FizzBuzz'"_)@.(2#.0=5 3&|)"0>:i.100

Solution 0

> }. (<'FizzBuzz') (I.0=15|n)} (<'Buzz') (I.0=5|n)} (<'Fizz') (I.0=3|n)} ":&.> n=: i.101

Solution 1

Fizz=: 'Fizz' #~ 0 = 3&|
Buzz=: 'Buzz' #~ 0 = 5&|
FizzBuzz=: ": [^:('' -: ]) Fizz,Buzz
FizzBuzz"0 >: i.100

Solution 2 (has taste of table-driven template programming)

CRT0=: 2 : ' (, 0 = +./)@(0 = m | ]) ;@# n , <@": '
NB. Rather (, 0 = +./) than (, +:/) because designed for
NB. 3 5 7 CRT0 (;:'Chinese Remainder Period') "0 >: i. */3 5 7
FizzBuzz=: 3 5 CRT0 (;:'Fizz Buzz')
FizzBuzz"0 >: i.100

Solution 3 (depends on an obsolete feature of @ in f`g`h@p)

'`f   b   fb'  =: ('Fizz'"_) ` ('Buzz'"_) ` (f , b)
'`cm3 cm5 cm15'=: (3&|)      ` (5&|)      ` (15&|)  (0&=@)
FizzBuzz=: ": ` f @. cm3 ` b @. cm5 ` fb @. cm15  NB. also:
FizzBuzz=: ": ` f @. cm3 ` b @. cm5 ` (f,b) @. (cm3 *. cm5)
FizzBuzz"0 >: i.100

"Whole array at once" solutions

Solution 4 (relatively concise):

{{>(#.|:0=3 5|&><L)}(":&.>L=.1+i.y),|:(y,3)$;:'Fizz Buzz FizzBuzz'}}100

This solution makes use of Composite Item (m}y) to select from a boxed table.

Solution 5 (relatively concise):

   ;:inv}.(":&.> [^:(0 = #@])&.> [: ,&.>/ ;:@'Fizz Buzz' #&.>~ 0=3 5|/])i.101
1 2 Fizz 4 Buzz Fizz 7 8 Fizz Buzz 11 Fizz 13 14 FizzBuzz 16 17 Fizz 19 Buzz Fizz 22 23 Fizz Buzz 26 Fizz 28 29 FizzBuzz 31 32 Fizz 34 Buzz Fizz 37 38 Fizz Buzz 41 Fizz 43 44 FizzBuzz 46 47 Fizz 49 Buzz Fizz 52 53 Fizz Buzz 56 Fizz 58 59 FizzBuzz 61 62 Fiz...

Here's some intermediate results for subexpressions of this last version (but with a shorter list of numbers):

   i.10
0 1 2 3 4 5 6 7 8 9
   (3 5 |/ ])i.10
0 1 2 0 1 2 0 1 2 0
0 1 2 3 4 0 1 2 3 4
   (0=3 5 |/ ])i.10
1 0 0 1 0 0 1 0 0 1
1 0 0 0 0 1 0 0 0 0
   (;:'Fizz Buzz')
┌────┬────┐
│Fizz│Buzz│
└────┴────┘
   ((;:'Fizz Buzz') #&.>~0=3 5 |/ ])i.10
┌────┬┬┬────┬┬────┬────┬┬┬────┐
│Fizz│││Fizz││    │Fizz│││Fizz│
├────┼┼┼────┼┼────┼────┼┼┼────┤
│Buzz│││    ││Buzz│    │││    │
└────┴┴┴────┴┴────┴────┴┴┴────┘
   ([: ,&.>/ (;:'Fizz Buzz') #&.>~0=3 5 |/ ])i.10
┌────────┬┬┬────┬┬────┬────┬┬┬────┐
│FizzBuzz│││Fizz││Buzz│Fizz│││Fizz│
└────────┴┴┴────┴┴────┴────┴┴┴────┘
   (":&.>)i.10
┌─┬─┬─┬─┬─┬─┬─┬─┬─┬─┐
│0│1│2│3│4│5│6│7│8│9│
└─┴─┴─┴─┴─┴─┴─┴─┴─┴─┘
   (":&.> [^:(0 = #@])&.> [: ,&.>/ (;:'Fizz Buzz') #&.>~0=3 5 |/ ])i.10
┌────────┬─┬─┬────┬─┬────┬────┬─┬─┬────┐
│FizzBuzz│1│2│Fizz│4│Buzz│Fizz│7│8│Fizz│
└────────┴─┴─┴────┴─┴────┴────┴─┴─┴────┘
   }.(":&.> [^:(0 = #@])&.> [: ,&.>/ (;:'Fizz Buzz') #&.>~0=3 5 |/ ])i.10
┌─┬─┬────┬─┬────┬────┬─┬─┬────┐
│1│2│Fizz│4│Buzz│Fizz│7│8│Fizz│
└─┴─┴────┴─┴────┴────┴─┴─┴────┘
   ;:inv}.(":&.> [^:(0 = #@])&.> [: ,&.>/ (;:'Fizz Buzz') #&.>~0=3 5 |/ ])i.10
1 2 Fizz 4 Buzz Fizz 7 8 Fizz

Jactl

100.map{ it + 1 }
   .map{ [it, (it % 5 == 0 ? 'Fizz' : '') + (it % 3 == 0 ? 'Buzz' : '')] }
   .each{ println it[1] ? it[1] : it[0] }

Janet

(loop [i :range [1 101]
       :let [fizz (zero? (% i 3))
             buzz (zero? (% i 5))]]
  (print (cond
           (and fizz buzz) "fizzbuzz"
           fizz "fizz"
           buzz "buzz"
           i)))

Java

public class FizzBuzz {
    public static void main(String[] args) {
        for (int number = 1; number <= 100; number++) {
            if (number % 15 == 0) {
                System.out.println("FizzBuzz");
            } else if (number % 3 == 0) {
                System.out.println("Fizz");
            } else if (number % 5 == 0) {
                System.out.println("Buzz");
            } else {
                System.out.println(number);
            }
        }
    }
}

Or:

public class FizzBuzz {
    public static void main(String[] args) {
        int number = 1;
        while (number <= 100) {
            if (number % 15 == 0) {
                System.out.println("FizzBuzz");
            } else if (number % 3 == 0) {
                System.out.println("Fizz");
            } else if (number % 5 == 0) {
                System.out.println("Buzz");
            } else {
                System.out.println(number);
            }
            number++;
        }
    }
}

Or:

public class FizzBuzz {
    public static void main(String[] args) {
        int number = 1;
        while (number <= 100) {
            System.out.println(number % 15 == 0 ? "FizzBuzz" : number % 3 == 0 ? "Fizz" : number % 5 == 0 ? "Buzz" : number);
            number++;
        }
    }
}

Or:

import java.util.stream.IntStream;
class FizzBuzzJdk12 {
    public static void main(String[] args) {
        IntStream.range(1,101)
        .mapToObj(i->switch (i%15) {
            case 0 -> "FizzBuzz";
            case 3, 6, 9, 12 -> "Fizz";
            case 5, 10 -> "Buzz";
            default -> Integer.toString(i);
        })
        .forEach(System.out::println)
        ;
    }
}

Or:

import java.util.stream.IntStream;
class FizzBuzzJdk12 {
    static final int FIZZ_FLAG = 0x8000_0000;
    static final int BUZZ_FLAG = 0x4000_0000;
    static final int FIZZ_BUZZ_FLAG = FIZZ_FLAG|BUZZ_FLAG;
    static final int[] FLAGS = new int[] {
        FIZZ_BUZZ_FLAG|0, 1, 2, FIZZ_FLAG|3, 4,
        BUZZ_FLAG|5, FIZZ_FLAG|6, 7, 8, FIZZ_FLAG|9,
        BUZZ_FLAG|10, 11, FIZZ_FLAG|12, 13, 14
    };
    public static void main(String[] args) {
    IntStream.iterate(0,i->++i)
       .flatMap(i -> IntStream.range(0,15).map(j->FLAGS[j]+15*i))
       .mapToObj(
        // JDK12 switch expression ...
        n-> switch(n & FIZZ_BUZZ_FLAG) {
            case FIZZ_BUZZ_FLAG -> "fizzbuzz";
            case FIZZ_FLAG -> "fizz";
            case BUZZ_FLAG -> "buzz";
            default -> Integer.toString(~FIZZ_BUZZ_FLAG & n);
            }
       )
       .skip(1)
       .limit(100)
       .forEach(System.out::println)
       ;
    }
}

JavaScript

ES5

var fizzBuzz = function () {
  var i, output;
  for (i = 1; i < 101; i += 1) {
    output = '';
    if (!(i % 3)) { output += 'Fizz'; }
    if (!(i % 5)) { output += 'Buzz'; }
    console.log(output || i);//empty string is false, so we short-circuit
  }
};

Alternate version with ghetto pattern matching

for (var i = 1; i <= 100; i++) {
  console.log({
    truefalse: 'Fizz',
    falsetrue: 'Buzz',
    truetrue: 'FizzBuzz'
  }[(i%3==0) + '' + (i%5==0)] || i)
}

Or very tersely:

for(i=1;i<101;i++)console.log((x=(i%3?'':'Fizz')+(i%5?'':'Buzz'))?x:i);

Or with even less characters:

for(i=1;i<101;i++)console.log((i%3?'':'Fizz')+(i%5?'':'Buzz')||i)

Or, in a more functional style, without mutations

(function rng(i) {
    return i ? rng(i - 1).concat(i) : []
})(100).map(
    function (n) {
        return n % 3 ? (
            n % 5 ? n : "Buzz"
        ) : (
            n % 5 ? "Fizz" : "FizzBuzz"
        )
    }
).join(' ')

ES6

(() => {
    // FIZZBUZZ --------------------------------------------------------------
    // fizzBuzz :: Int -> String
    const fizzBuzz = n =>
        caseOf(n, [
            [x => x % 15 === 0, "FizzBuzz"],
            [x => x % 3 === 0, "Fizz"],
            [x => x % 5 === 0, "Buzz"]
        ], n.toString());
    // GENERIC FUNCTIONS -----------------------------------------------------
    // caseOf :: a -> [(a -> Bool, b)] -> b -> b
    const caseOf = (e, pvs, otherwise) =>
        pvs.reduce((a, [p, v]) =>
            a !== otherwise ? a : (p(e) ? v : a), otherwise);
    // enumFromTo :: Int -> Int -> [Int]
    const enumFromTo = (m, n) =>
        Array.from({
            length: Math.floor(n - m) + 1
        }, (_, i) => m + i);
    // map :: (a -> b) -> [a] -> [b]
    const map = (f, xs) => xs.map(f);
    // unlines :: [String] -> String
    const unlines = xs => xs.join('\n');
    // TEST ------------------------------------------------------------------
    return unlines(
        map(fizzBuzz, enumFromTo(1, 100))
    );
})();

A functional implementation:

const factors = [[3, 'Fizz'], [5, 'Buzz']]
const fizzBuzz = num => factors.map(([factor,text]) => (num % factor)?'':text).join('') || num
const range1 = x => [...Array(x+1).keys()].slice(1)
const outputs = range1(100).map(fizzBuzz)
console.log(outputs.join('\n'))


Or composing generic functions, and without use of modulo (or other) numeric tests:

Translation of: Python

Translation of: Haskell

(() => {
    'use strict';
    // main :: IO ()
    const main = () => {
        // FIZZBUZZ ---------------------------------------
        // fizzBuzz :: Generator [String]
        const fizzBuzz = () => {
            const fb = n => k => cycle(
                replicate(n - 1)('').concat(k)
            );
            return zipWith(
                liftA2(flip)(bool)(isNull)
            )(
                zipWith(append)(fb(3)('fizz'))(fb(5)('buzz'))
            )(fmap(str)(enumFrom(1)));
        };
        // TEST -------------------------------------------
        console.log(
            unlines(
                take(100)(
                    fizzBuzz()
                )
            )
        );
    };
    // GENERIC FUNCTIONS ----------------------------------
    // Just :: a -> Maybe a
    const Just = x => ({
        type: 'Maybe',
        Nothing: false,
        Just: x
    });
    // Nothing :: Maybe a
    const Nothing = () => ({
        type: 'Maybe',
        Nothing: true,
    });
    // Tuple (,) :: a -> b -> (a, b)
    const Tuple = a => b => ({
        type: 'Tuple',
        '0': a,
        '1': b,
        length: 2
    });
    // append (++) :: [a] -> [a] -> [a]
    // append (++) :: String -> String -> String
    const append = xs => ys => xs.concat(ys);
    // bool :: a -> a -> Bool -> a
    const bool = f => t => p =>
        p ? t : f;
    // cycle :: [a] -> Generator [a]
    function* cycle(xs) {
        const lng = xs.length;
        let i = 0;
        while (true) {
            yield(xs[i])
            i = (1 + i) % lng;
        }
    }
    // enumFrom :: Int => Int -> [Int]
    function* enumFrom(x) {
        let v = x;
        while (true) {
            yield v;
            v = 1 + v;
        }
    }
    // flip :: (a -> b -> c) -> b -> a -> c
    const flip = f =>
        x => y => f(y)(x);
    // fmap <$> :: (a -> b) -> Gen [a] -> Gen [b]
    const fmap = f =>
        function*(gen) {
            let v = take(1)(gen);
            while (0 < v.length) {
                yield(f(v[0]))
                v = take(1)(gen)
            }
        };
    // fst :: (a, b) -> a
    const fst = tpl => tpl[0];
    // isNull :: [a] -> Bool
    // isNull :: String -> Bool
    const isNull = xs =>
        1 > xs.length;
    // Returns Infinity over objects without finite length.
    // This enables zip and zipWith to choose the shorter
    // argument when one is non-finite, like cycle, repeat etc
    // length :: [a] -> Int
    const length = xs =>
        (Array.isArray(xs) || 'string' === typeof xs) ? (
            xs.length
        ) : Infinity;
    // liftA2 :: (a0 -> b -> c) -> (a -> a0) -> (a -> b) -> a -> c
    const liftA2 = op => f => g =>
        // Lift a binary function to a composition
        // over two other functions.
        // liftA2 (*) (+ 2) (+ 3) 7 == 90
        x => op(f(x))(g(x));
    // replicate :: Int -> a -> [a]
    const replicate = n => x =>
        Array.from({
            length: n
        }, () => x);
    // snd :: (a, b) -> b
    const snd = tpl => tpl[1];
    // str :: a -> String
    const str = x => x.toString();
    // take :: Int -> [a] -> [a]
    // take :: Int -> String -> String
    const take = n => xs =>
        'GeneratorFunction' !== xs.constructor.constructor.name ? (
            xs.slice(0, n)
        ) : [].concat.apply([], Array.from({
            length: n
        }, () => {
            const x = xs.next();
            return x.done ? [] : [x.value];
        }));
    // The first argument is a sample of the type
    // allowing the function to make the right mapping
    // uncons :: [a] -> Maybe (a, [a])
    const uncons = xs => {
        const lng = length(xs);
        return (0 < lng) ? (
            lng < Infinity ? (
                Just(Tuple(xs[0])(xs.slice(1))) // Finite list
            ) : (() => {
                const nxt = take(1)(xs);
                return 0 < nxt.length ? (
                    Just(Tuple(nxt[0])(xs))
                ) : Nothing();
            })() // Lazy generator
        ) : Nothing();
    };
    // unlines :: [String] -> String
    const unlines = xs => xs.join('\n');
    // zipWith :: (a -> b -> c) Gen [a] -> Gen [b] -> Gen [c]
    const zipWith = f => ga => gb => {
        function* go(ma, mb) {
            let
                a = ma,
                b = mb;
            while (!a.Nothing && !b.Nothing) {
                let
                    ta = a.Just,
                    tb = b.Just
                yield(f(fst(ta))(fst(tb)));
                a = uncons(snd(ta));
                b = uncons(snd(tb));
            }
        }
        return go(uncons(ga), uncons(gb));
    };
    // MAIN ---
    return main();
})();

Joy

The following program first defines a function "out", that handles the Fizz / Buzz logic, and then loops from 1 to 100 mapping the function onto each number, and printing ("put") the output.

DEFINE out == [[[15 rem null] "FizzBuzz"]
[[ 3 rem null] "Fizz"]
[[ 5 rem null] "Buzz"]
[]] cond
[putchars pop] [put] ifstring '\n putch.
100 [] [out] primrec.

jq

range(1;101)
  | if   . % 15 == 0 then "FizzBuzz"
    elif . % 5  == 0 then "Buzz"
    elif . % 3  == 0 then "Fizz"
    else .
    end

Another solution:

range(100) + 1 | [(
	(select(. % 3 == 0) | "Fizz"),
	(select(. % 5 == 0) | "Buzz")
) // tostring] | join("")

Julia

Works with: Julia version 1.8.5

One basic solution:

for i in 1:100
    if i % 15 == 0
        println("FizzBuzz")
    elseif i % 3 == 0
        println("Fizz")
    elseif i % 5 == 0
        println("Buzz")
    else
        println(i)
    end
end

Another possible solution:

collect(i % 15 == 0 ? "FizzBuzz" : i % 5 == 0 ? "Buzz" : i % 3 == 0 ? "Fizz" : i for i in 1:100) |> println

A 3rd possible solution:

fb(i::Integer) = "Fizz" ^ (i % 3 == 0) * "Buzz" ^ (i % 5 == 0) * string(i) ^ (i % 3 != 0 && i % 5 != 0)
for i in 1:100 println(fb(i)) end

A 4th one:

println.(map(fb, 1:100))

A fifth (DRY, Don't Repeat Yourself) possible solution:

for i in 1:100
    msg = "Fizz" ^ (i % 3 == 0) * "Buzz" ^ (i % 5 == 0)
    println(isempty(msg) ? i : msg)
end

K

Solution 0

For kona:

{,/$(s;x)@~#s:`Fizz`Buzz@&~x!'3 5}'1+!30

For k6 and oK, change x!'3 5 to 3 5!'x.
This method first chooses the symbols `Fizz and/or `Buzz (or neither, giving the empty symbol vector 0#`) based on the input's divisibility by 3 and 5, naming the result s. The (s;x)@~#s means "index into the pair s;x based on whether s is empty"), effectively functioning as an if-else. This result is then cast to a (potentially nested) string vector ($) and raveled (flattened into a single vector) (,/).

Solution 1

  {:[0=x!15;`0:,"FizzBuzz";0=x!3;`0:,"Fizz";0=x!5;`0:,"Buzz";`0:,$x]}'1+!100

Solution 2

`0:\:{:[0=#a:{,/$(:[0=x!3;"Fizz"];:[0=x!5;"Buzz"])}@x;$x;a]}'1_!101

Solution 3

fizzbuzz:{
  v:1+!x
  i:(&0=)'v!/:3 5 15
  r:@[v;i 0;{"Fizz"}]
  r:@[r;i 1;{"Buzz"}]
  @[r;i 2;{"FizzBuzz"}]}
`0:$fizzbuzz 100

Kamailio Script

To run it, send a SIP message to the server and FizzBuzz will appear in the logs.

This will only work up to 100 because Kamailio terminates all while loops after 100 iterations.

# FizzBuzz
log_stderror=yes
loadmodule "pv"
loadmodule "xlog"
route {
    $var(i) = 1;
    while ($var(i) <= 1000) {
        if ($var(i) mod 15 == 0) {
            xlog("FizzBuzz\n");
        } else if ($var(i) mod 5 == 0) {
            xlog("Buzz\n");
        } else if ($var(i) mod 3 == 0) {
            xlog("Fizz\n");
        } else {
            xlog("$var(i)\n");
        }
        $var(i) = $var(i) + 1;
    }
}

KatLang

FizzBuzz(1, 1, i) = 'FizzBuzz'
FizzBuzz(1, 0, i) = 'Fizz'
FizzBuzz(0, 1, i) = 'Buzz'
FizzBuzz(0, 0, i) = i
range(1, 100).map{FizzBuzz(i mod 3 == 0, i mod 5 == 0, i)}

Kaya

// fizzbuzz in Kaya
program fizzbuzz;
Void fizzbuzz(Int size) {
    for i in [1..size] {
        if (i % 15 == 0) {
            putStrLn("FizzBuzz");
        } else if (i % 5 == 0) {
            putStrLn("Buzz");
        } else if (i % 3 == 0) {
            putStrLn("Fizz");
        } else {
            putStrLn( string(i) );
        }
    }
}
Void main() {
    fizzbuzz(100);
}

Kiste

für i = 1 bis 100 {
    wenn i % 15 == 0 {
        sag "FizzBuzz"
    } sonstwenn i % 3 == 0 {
        sag "Fizz"
    } sonstwenn i % 5 == 0 {
        sag "Buzz"
    } sonst {
        sag i
    }
}

KL1

:- module main.
main :-
    nats(100, Nats),
    fizzbuzz(Nats, Output),
    display(Output).
nats(Max, Out) :-
    nats(Max, 1, Out).
nats(Max, Count, Out) :- Count =< Max |
    Out = [Count|NewOut],
    NewCount := Count + 1,
    nats(Max, NewCount, NewOut).
nats(Max, Count, Out) :- Count > Max |
    Out = [].
fizzbuzz([N|Rest], Out) :- N mod 3 =:= 0, N mod 5 =:= 0 |
    Out = ['FizzBuzz' | NewOut],
    fizzbuzz(Rest, NewOut).
fizzbuzz([], Out) :-
    Out = [].
alternatively.
fizzbuzz([N|Rest], Out) :- N mod 3 =:= 0 |
    Out = ['Fizz' | NewOut],
    fizzbuzz(Rest, NewOut).
fizzbuzz([N|Rest], Out) :- N mod 5 =:= 0 |
    Out = ['Buzz' | NewOut],
    fizzbuzz(Rest, NewOut).
alternatively.
fizzbuzz([N|Rest], Out) :-
    Out = [N | NewOut],
    fizzbuzz(Rest, NewOut).
display([Message|Rest]) :-
    io:outstream([print(Message), nl]),
    display(Rest).
display([]).

Klong

{:[0=x!15;:FizzBuzz:|0=x!5;:Buzz:|0=x!3;:Fizz;x]}'1+!100

Komodo

let fizzBuzz(n) :=
    let fb(0, 0) := "fizzbuzz"
    let fb(0, _) := "fizz"
    let fb(_, 0) := "buzz"
    let fb(_, _) := n
    fb(n % 3, n % 5)
for i in 1..101 do println(fizzBuzz(i))

Kotlin

Imperative solution

fun fizzBuzz() {
    for (number in 1..100) {
        println(
            when {
                number % 15 == 0 -> "FizzBuzz"
                number % 3 == 0 -> "Fizz"
                number % 5 == 0 -> "Buzz"
                else -> number
            }
        )
    }
}

Functional solution 1

fun fizzBuzz1() {
    fun fizzBuzz(x: Int) = if (x % 15 == 0) "FizzBuzz" else x.toString()
    fun fizz(x: Any) = if (x is Int && x % 3 == 0) "Buzz" else x
    fun buzz(x: Any) = if (x is Int && x.toInt() % 5 == 0) "Fizz" else x
    (1..100).map { fizzBuzz(it) }.map { fizz(it) }.map { buzz(it) }.forEach { println(it) }
}

Functional solution 2

fun fizzBuzz2() {
    fun fizz(x: Pair<Int, StringBuilder>) = if(x.first % 3 == 0) x.apply { second.append("Fizz") } else x
    fun buzz(x: Pair<Int, StringBuilder>) = if(x.first % 5 == 0) x.apply { second.append("Buzz") } else x
    fun none(x: Pair<Int, StringBuilder>) = if(x.second.isBlank()) x.second.apply { append(x.first) } else x.second
    (1..100).map { Pair(it, StringBuilder()) }
            .map { fizz(it) }
            .map { buzz(it) }
            .map { none(it) }
            .forEach { println(it) }
}

Short version with mapOf

fun fizzBuzz() {
    (1..100).forEach { println(mapOf(0 to it, it % 3 to "Fizz", it % 5 to "Buzz", it % 15 to "FizzBuzz")[0]) }
}

KQL

range i from 1 to 100 step 1
| project Result =
    case(
        i % 15 == 0, "FizzBuzz",
        i % 3 == 0, "Fizz",
        i % 5 == 0, "Buzz",
        tostring(i)
    )

KSI

`plain
[1 100] `for pos : n ~
	out = []
	n `mod 3 == 0 ? out.# = 'Fizz' ;
	n `mod 5 == 0 ? out.# = 'Buzz' ;
	(out `or n) #write_ln #
;

LabVIEW

This image is a VI Snippet, an executable image of LabVIEW code. The LabVIEW version is shown on the top-right hand corner. You can download it, then drag-and-drop it onto the LabVIEW block diagram from a file browser, and it will appear as runnable, editable code.

Lambdatalk

1. direct:
{S.map
 {lambda {:i}
  {if {= {% :i 15} 0}
   then fizzbuzz
   else {if {= {% :i 3} 0}
   then fizz
   else {if {= {% :i 5} 0}
   then buzz
   else :i}}}}
 {S.serie 1 100}}
-> 1 2 fizz 4 buzz fizz 7 8 fizz buzz 11 fizz 13 14 fizzbuzz 16 17 fizz 19 buzz fizz 22 23 fizz buzz 26 fizz 28 29 fizzbuzz 31 32 fizz 34 buzz fizz 37 38 fizz buzz 41 fizz 43 44 fizzbuzz 46 47 fizz 49 buzz fizz 52 53 fizz buzz 56 fizz 58 59 fizzbuzz 61 62 fizz 64 buzz fizz 67 68 fizz buzz 71 fizz 73 74 fizzbuzz 76 77 fizz 79 buzz fizz 82 83 fizz buzz 86 fizz 88 89 fizzbuzz 91 92 fizz 94 buzz fizz 97 98 fizz buzz
2. via a function
{def fizzbuzz
 {lambda {:i :n}
  {if {> :i :n}
   then .
   else {if {= {% :i 15} 0}
   then fizzbuzz
   else {if {= {% :i 3} 0}
   then fizz
   else {if {= {% :i 5} 0}
   then buzz
   else :i}}} {fizzbuzz {+ :i 1} :n}
}}}
-> fizzbuzz
{fizzbuzz 1 100}
-> same as above.

Lang

$i = 1
while($i <= 100) {
	if($i % 15 == 0) {
		fn.println(FizzBuzz)
	}elif($i % 5 == 0) {
		fn.println(Buzz)
	}elif($i % 3 == 0) {
		fn.println(Fizz)
	}else {
		fn.println($i)
	}
	$i += 1
}

langur

for i of 100 {
    writeln switch(0; i rem 15: "FizzBuzz"; i rem 5: "Buzz"; i rem 3: "Fizz"; i)
}

Lasso

with i in generateSeries(1, 100)
select ((#i % 3 == 0 ? 'Fizz' | '') + (#i % 5 == 0 ? 'Buzz' | '') || #i)

LaTeX

This version uses the ifthen and intcalc packages. There sure are more native solutions including solutions in plain TeX, but for me this is a readable and comprehensible one.

\documentclass{minimal}
\usepackage{ifthen}
\usepackage{intcalc}
\newcounter{mycount}
\newboolean{fizzOrBuzz}
\newcommand\fizzBuzz[1]{%
\setcounter{mycount}{1}\whiledo{\value{mycount}<#1}
    {
    \setboolean{fizzOrBuzz}{false}
    \ifthenelse{\equal{\intcalcMod{\themycount}{3}}{0}}{\setboolean{fizzOrBuzz}{true}Fizz}{}
    \ifthenelse{\equal{\intcalcMod{\themycount}{5}}{0}}{\setboolean{fizzOrBuzz}{true}Buzz}{}
    \ifthenelse{\boolean{fizzOrBuzz}}{}{\themycount}
    \stepcounter{mycount}
    \\
    }
}
\begin{document}
\fizzBuzz{101}
\end{document}

LDPL

data:
i is number
n is number
procedure:
for i from 1 to 101 step 1 do
    modulo i by 15 in n
    if n is equal to 0 then
        display "FizzBuzz" lf
        continue
    end if
    modulo i by 5 in n
    if n is equal to 0 then
        display "Buzz" lf
        continue
    end if
    modulo i by 3 in n
    if n is equal to 0 then
        display "Fizz" lf
        continue
    end if
    display i lf
repeat

Lean

Lean 4:

def fizz : String :=
  "Fizz"
def buzz : String :=
  "Buzz"
def newLine : String :=
  "\n"
def isDivisibleBy (n : Nat) (m : Nat) : Bool :=
  match m with
  | 0 => false
  | (k + 1) => (n % (k + 1)) = 0
def getTerm (n : Nat) : String :=
  if (isDivisibleBy n 15) then (fizz ++ buzz)
  else if (isDivisibleBy n 3) then fizz
  else if (isDivisibleBy n 5) then buzz
  else toString (n)
def range (a : Nat) (b : Nat) : List (Nat) :=
  match b with
  | 0 => []
  | m + 1 => a :: (range (a + 1) m)
def getTerms (n : Nat) : List (String) :=
  (range 1 n).map (getTerm)
def addNewLine (accum : String) (elem : String) : String :=
  accum ++ elem ++ newLine
def fizzBuzz : String :=
  (getTerms 100).foldl (addNewLine) ("")
def main : IO Unit :=
  IO.println (fizzBuzz)
#eval main

Liberty BASIC

See FizzBuzz/Basic

LIL

# fizzbuzz in LIL
for {set i 1} {$i <= 100} {inc i} {
    set show ""
    if {[expr $i % 3 == 0]} {set show "Fizz"}
    if {[expr $i % 5 == 0]} {set show $show"Buzz"}
    if {[expr [length $show] == 0]} {set show $i}
    print $show
}
Output:
prompt$ lil fizzbuzz.lil | sed -n '1,16p'
1
2
Fizz
4
Buzz
Fizz
7
8
Fizz
Buzz
11
Fizz
13
14
FizzBuzz
16

LiveCode

repeat with i = 1 to 100
    switch
        case i mod 15 = 0
            put "FizzBuzz" & cr after fizzbuzz
            break
        case i mod 5 = 0
            put "Buzz" & cr after fizzbuzz
            break
        case i mod 3 = 0
            put "Fizz" & cr after fizzbuzz
            break
        default
            put i & cr after fizzbuzz
    end switch
end repeat
put fizzbuzz

LiveScript

See: http://livescript.net/blog/fizzbuzzbazz.html

[1 to 100] map -> [k + \zz for k, v of {Fi: 3, Bu: 5} | it % v < 1] * '' || it

LLVM

; ModuleID = 'fizzbuzz.c'
; source_filename = "fizzbuzz.c"
; target datalayout = "e-m:w-i64:64-f80:128-n8:16:32:64-S128"
; target triple = "x86_64-pc-windows-msvc19.21.27702"
; This is not strictly LLVM, as it uses the C library function "printf".
; LLVM does not provide a way to print values, so the alternative would be
; to just load the string into memory, and that would be boring.
; Additional comments have been inserted, as well as changes made from the output produced by clang such as putting more meaningful labels for the jumps
$"\01??_C@_09NODAFEIA@FizzBuzz?6?$AA@" = comdat any
$"\01??_C@_05KEBFOHOF@Fizz?6?$AA@" = comdat any
$"\01??_C@_05JKJENPHA@Buzz?6?$AA@" = comdat any
$"\01??_C@_03PMGGPEJJ@?$CFd?6?$AA@" = comdat any
;--- String constant defintions
@"\01??_C@_09NODAFEIA@FizzBuzz?6?$AA@" = linkonce_odr unnamed_addr constant [10 x i8] c"FizzBuzz\0A\00", comdat, align 1
@"\01??_C@_05KEBFOHOF@Fizz?6?$AA@" = linkonce_odr unnamed_addr constant [6 x i8] c"Fizz\0A\00", comdat, align 1
@"\01??_C@_05JKJENPHA@Buzz?6?$AA@" = linkonce_odr unnamed_addr constant [6 x i8] c"Buzz\0A\00", comdat, align 1
@"\01??_C@_03PMGGPEJJ@?$CFd?6?$AA@" = linkonce_odr unnamed_addr constant [4 x i8] c"%d\0A\00", comdat, align 1
;--- The declaration for the external C printf function.
declare i32 @printf(i8*, ...)
; Function Attrs: noinline nounwind optnone uwtable
define i32 @main() #0 {
  %1 = alloca i32, align 4
  store i32 1, i32* %1, align 4
;--- It does not seem like this branch can be removed
  br label %loop
;--- while (i <= 100)
loop:
  %2 = load i32, i32* %1, align 4
  %3 = icmp sle i32 %2, 100
  br i1 %3, label %divisible_15, label %finished
;--- if (i % 15 == 0)
divisible_15:
  %4 = load i32, i32* %1, align 4
  %5 = srem i32 %4, 15
  %6 = icmp eq i32 %5, 0
  br i1 %6, label %print_fizzbuzz, label %divisible_3
;--- Print 'FizzBuzz'
print_fizzbuzz:
  %7 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([10 x i8], [10 x i8]* @"\01??_C@_09NODAFEIA@FizzBuzz?6?$AA@", i32 0, i32 0))
  br label %next
;--- if (i % 3 == 0)
divisible_3:
  %8 = load i32, i32* %1, align 4
  %9 = srem i32 %8, 3
  %10 = icmp eq i32 %9, 0
  br i1 %10, label %print_fizz, label %divisible_5
;--- Print 'Fizz'
print_fizz:
  %11 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @"\01??_C@_05KEBFOHOF@Fizz?6?$AA@", i32 0, i32 0))
  br label %next
;--- if (i % 5 == 0)
divisible_5:
  %12 = load i32, i32* %1, align 4
  %13 = srem i32 %12, 5
  %14 = icmp eq i32 %13, 0
  br i1 %14, label %print_buzz, label %print_number
;--- Print 'Buzz'
print_buzz:
  %15 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @"\01??_C@_05JKJENPHA@Buzz?6?$AA@", i32 0, i32 0))
  br label %next
;--- Print the number
print_number:
  %16 = load i32, i32* %1, align 4
  %17 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @"\01??_C@_03PMGGPEJJ@?$CFd?6?$AA@", i32 0, i32 0), i32 %16)
;--- It does not seem like this branch can be removed
  br label %next
;--- i = i + 1
next:
  %18 = load i32, i32* %1, align 4
  %19 = add nsw i32 %18, 1
  store i32 %19, i32* %1, align 4
  br label %loop
;--- exit main
finished:
  ret i32 0
}
attributes #0 = { noinline nounwind optnone uwtable "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
!llvm.module.flags = !{!0, !1}
!llvm.ident = !{!2}
!0 = !{i32 1, !"wchar_size", i32 2}
!1 = !{i32 7, !"PIC Level", i32 2}
!2 = !{!"clang version 6.0.1 (tags/RELEASE_601/final)"}

Lobster

include "std.lobster"
forbias(100, 1) i:
    fb := (i % 3 == 0 and "fizz" or "") +
          (i % 5 == 0 and "buzz" or "")
    print fb.length and fb or "" + i

Logo

to fizzbuzz :n
  output cond [ [[equal? 0 modulo :n 15] "FizzBuzz]
                [[equal? 0 modulo :n  5] "Buzz]
                [[equal? 0 modulo :n  3] "Fizz]
                [else :n] ]
end
repeat 100 [print fizzbuzz #]

"cond" was undefined in Joshua Bell's online interpreter. So here is a version that works there. It also works in UCB logo by using # instead of "repcount". This version also factors away modulo 15:

to fizzbuzz :n
 make "c "
  if equal? 0 modulo :n 5 [make "c "Buzz]
  if equal? 0 modulo :n 3 [make "c word "Fizz :c]
 output ifelse equal? :c " [:n] [:c]
end
repeat 100 [print fizzbuzz repcount]

Lhogho can use the above code, except that 'modulo' must be replaced with 'remainder'.

LOLCODE

See FizzBuzz/EsoLang

LSE

1* FIZZBUZZ en L.S.E.
10 CHAINE FB
20 FAIRE 45 POUR I_1 JUSQUA 100
30 FB_SI &MOD(I,3)=0 ALORS SI &MOD(I,5)=0 ALORS 'FIZZBUZZ' SINON 'FIZZ' SINON SI &MOD(I,5)=0 ALORS 'BUZZ' SINON ''
40 AFFICHER[U,/] SI FB='' ALORS I SINON FB
45*FIN BOUCLE
50 TERMINER
100 PROCEDURE &MOD(A,B) LOCAL A,B
110 RESULTAT A-B*ENT(A/B)

Lua

If/else Ladder

for i = 1, 100 do
	if i % 15 == 0 then
		print("FizzBuzz")
	elseif i % 3 == 0 then
		print("Fizz")
	elseif i % 5 == 0 then
		print("Buzz")
	else
		print(i)
	end
end

Concatenation

for i = 1, 100 do
	output = ""
	if i % 3 == 0 then
		output = output.."Fizz"
	end
	if i % 5 == 0 then
		output = output.."Buzz"
	end
	if(output == "") then
		output = i
	end
	print(output)
end

Quasi bit field

word = {"Fizz", "Buzz", "FizzBuzz"}
for i = 1, 100 do
        print(word[(i % 3 == 0 and 1 or 0) + (i % 5 == 0 and 2 or 0)] or i)
end

Lookup table

local t = {
        [0]  = "FizzBuzz",
        [3]  = "Fizz",
        [5]  = "Buzz",
        [6]  = "Fizz",
        [9]  = "Fizz",
        [10] = "Buzz",
        [12] = "Fizz"
}
for i = 1, 100 do
        print(t[i%15] or i)
end

Metatable insertion

Sets any numeric key to its fizzbuzz value so that fizzbuzz[30] is "fizzbuzz"

local mt = {
	__newindex = (function (t, k, v)
		if type(k) ~= "number" then	rawset(t, k, v)
		elseif 0 == (k % 15) then	rawset(t, k, "fizzbuzz")
		elseif 0 == (k % 5) then	rawset(t, k, "fizz")
		elseif 0 == (k % 3) then	rawset(t, k, "buzz")
		else 						rawset(t, k, k) end
		return t[k]
end)
}
local fizzbuzz = {}
setmetatable(fizzbuzz, mt)
for i=1,100 do fizzbuzz[i] = i end
for i=1,100 do print(fizzbuzz[i]) end

Fast Version without Modulo

#!/usr/bin/env luajit
local to=arg[1] or tonumber(arg[1]) or 100
local CF,CB=3,5
local cf,cb=CF,CB
for i=1,to do
	cf,cb=cf-1,cb-1
	if cf~=0 and cb~=0 then
		io.write(i)
	else
		if cf==0 then
			cf=CF
			io.write("Fizz")
		end
		if cb==0 then
			cb=CB
			io.write("Buzz")
		end
	end
	io.write(", ")
end
Output:
> ./fizzbuzz.lua
1, 2, Fizz, 4, Buzz, Fizz, 7, 8, Fizz, Buzz, 11, Fizz, 13, 14, FizzBuzz, 16, 17, Fizz, 19, Buzz, Fizz, 22, 23, Fizz, Buzz, 26, Fizz, 28, 29, FizzBuzz, 31, 32, Fizz, 34, Buzz, Fizz, 37, 38, Fizz, Buzz, 41, Fizz, 43, 44, FizzBuzz, 46, 47, Fizz, 49, Buzz, Fizz, 52, 53, Fizz, Buzz, 56, Fizz, 58, 59, FizzBuzz, 61, 62, Fizz, 64, Buzz, Fizz, 67, 68, Fizz, Buzz, 71, Fizz, 73, 74, FizzBuzz, 76, 77, Fizz, 79, Buzz, Fizz, 82, 83, Fizz, Buzz, 86, Fizz, 88, 89, FizzBuzz, 91, 92, Fizz, 94, Buzz, Fizz, 97, 98, Fizz, Buzz, %

Luck

for i in range(1,101) do (
   if i%15 == 0 then print("FizzBuzz")
   else if i%3 == 0 then print("Fizz")
   else if i%5 == 0 then print("Buzz")
   else print(i)
)

M2000 Interpreter

\\ one line, hard to read
For i=1 to 100 {If i mod 3=0 Then {if i mod 5=0 Then Print "FizzBuzz",  Else Print "Fizz",} Else {if i mod 5=0 Then Print "Buzz", else print i, } } : Print
\\ Better code
For i=1 to 100 {
      Push str$(i,0)+". "+if$(i mod 3=0->"Fizz","")+if$(i mod 5=0->"Buzz","")
      If stackitem$()="" then Drop : Continue
      Print Letter$
}
\\ Far Better Code
For i=1 to 100 {
      Printme(if$(i mod 3=0->"Fizz","")+if$(i mod 5=0->"Buzz",""))
}
Print
Sub Printme(a$)
      If a$<>"" Then Print a$, else Print i,
End Sub

M4

define(`for',
   `ifelse($#,0,``$0'',
   `ifelse(eval($2<=$3),1,
   `pushdef(`$1',$2)$5`'popdef(`$1')$0(`$1',eval($2+$4),$3,$4,`$5')')')')
for(`x',1,100,1,
   `ifelse(eval(x%15==0),1,FizzBuzz,
   `ifelse(eval(x%3==0),1,Fizz,
   `ifelse(eval(x%5==0),1,Buzz,x)')')
')

MACRO-11

        .TITLE  FIZBUZ
        .MCALL  .TTYOUT,.EXIT
FIZBUZ::MOV     #1,R2           ; COUNTER
        MOV     #3,R3           ; FIZZ COUNTER
        MOV     #5,R4           ; BUZZ COUNTER
NUMBER: CLR     R5
CHKFIZ: DEC     R3
        BNE     CHKBUZ
        MOV     #FIZZ,R1
        JSR     PC,PRSTR
        MOV     #3,R3
        INC     R5
CHKBUZ: DEC     R4
        BNE     CHKNUM
        MOV     #BUZZ,R1
        JSR     PC,PRSTR
        MOV     #5,R4
        INC     R5
CHKNUM: TST     R5
        BNE     NEXNUM
        MOV     R2,R0
        JSR     PC,PR0
NEXNUM: MOV     #NL,R1
        JSR     PC,PRSTR
        INC     R2
        CMP     R2,#^D100
        BLE     NUMBER
        .EXIT
        ; STRING DATA
FIZZ:   .ASCIZ  /FIZZ/
BUZZ:   .ASCIZ  /BUZZ/
NL:     .BYTE   15,12,0
        .EVEN
        ; PRINT NUMBER IN R0 AS DECIMAL
PR0:    MOV     R2,-(SP)
        MOV     #4$,R1
1$:     MOV     #-1,R2
2$:     INC     R2
        SUB     #12,R0
        BCC     2$
        ADD     #72,R0
        MOVB    R0,-(R1)
        MOV     R2,R0
        BNE     1$
3$:     MOVB    (R1)+,R0
        .TTYOUT
        BNE     3$
        MOV     (SP)+,R2
        RTS     PC
        .ASCII  /...../
4$:     .BYTE   0
        ; PRINT STRING IN R1
PRSTR:  MOVB    (R1)+,R0
        .TTYOUT
        BNE     PRSTR
        RTS     PC
        .END FIZBUZ

MAD

            NORMAL MODE IS INTEGER
            VECTOR VALUES FIZZ = $4HFIZZ*$
            VECTOR VALUES BUZZ = $4HBUZZ*$
            VECTOR VALUES FIBU = $8HFIZZBUZZ*$
            VECTOR VALUES NUM  = $I2*$
            INTERNAL FUNCTION REM.(A,B) = A-(A/B)*B
            THROUGH LOOP, FOR I = 1, 1, I .G. 100
            WHENEVER REM.(I,15).E.0
                PRINT FORMAT FIBU
            OR WHENEVER REM.(I,5).E.0
                PRINT FORMAT BUZZ
            OR WHENEVER REM.(I,3).E.0
                PRINT FORMAT FIZZ
            OTHERWISE
                PRINT FORMAT NUM,I
LOOP        END OF CONDITIONAL
            END OF PROGRAM

make

MOD3 = 0
MOD5 = 0
ALL != jot 100
all: say-100
.for NUMBER in $(ALL)
MOD3 != expr \( $(MOD3) + 1 \) % 3; true
MOD5 != expr \( $(MOD5) + 1 \) % 5; true
. if "$(NUMBER)" > 1
PRED != expr $(NUMBER) - 1
say-$(NUMBER): say-$(PRED)
. else
say-$(NUMBER):
. endif
. if "$(MOD3)$(MOD5)" == "00"
	@echo FizzBuzz
. elif "$(MOD3)" == "0"
	@echo Fizz
. elif "$(MOD5)" == "0"
	@echo Buzz
. else
	@echo $(NUMBER)
. endif
.endfor

Maple

One line:

seq(print(`if`(modp(n,3)=0,`if`(modp(n,15)=0,"FizzBuzz","Fizz"),`if`(modp(n,5)=0,"Buzz",n))),n=1..100):

With a fizzbuzz function defined:

fizzbuzz1 := n->`if`(modp(n,3)=0,`if`(modp(n,15)=0,"FizzBuzz","Fizz"),`if`(modp(n,5)=0,"Buzz",n)):
for i to 100 do fizzbuzz1(i); od;

Using piecewise:

fizzbuzz2 := n->piecewise(modp(n,15)=0,"FizzBuzz",modp(n,3)=0,"Fizz",modp(n,5)=0,"Buzz",n):
for i to 100 do fizzbuzz2(i); od;

Using conventional if/then branches:

fizzbuzz3 := proc(n) local r;
  r:=map2(modp,n,[3,5]);
  if r=[0,0] then "FizzBuzz"
  elif r[1]=0 then "Fizz"
  elif r[2]=0 then "Buzz"
  else n fi;
end proc:
for i to 100 do fizzbuzz3(i); od;

Mathematica / Wolfram Language

Do[Print[Which[Mod[i, 15] == 0, "FizzBuzz", Mod[i, 5] == 0, "Buzz", Mod[i, 3] == 0, "Fizz", True, i]], {i, 100}]

Using rules,

fizz[i_] := Mod[i, 3] == 0
buzz[i_] := Mod[i, 5] == 0
Range[100] /. {i_ /; fizz[i]&&buzz[i] :> "FizzBuzz", \
               i_?fizz :> "Fizz", i_?buzz :> "Buzz"}

Using rules, but different approach:

SetAttributes[f,Listable]
f[n_ /; Mod[n, 15] == 0] := "FizzBuzz";
f[n_ /; Mod[n, 3] == 0] := "Fizz";
f[n_ /; Mod[n, 5] == 0] := "Buzz";
f[n_] := n;
f[Range[100]]

An extendible version using Table

Table[If[# === "", i, #]&@StringJoin[
   Table[If[Divisible[i, First@nw], Last@nw, ""],
         {nw, {{3, "Fizz"}, {5, "Buzz"}}}]],
      {i, 1, 100}]

Another one-liner using Map (the /@ operator shorthand of it) and a pure function with a very readable Which

 Which[ Mod[#,15] == 0, "FizzBuzz", Mod[#, 3] == 0, "Fizz", Mod[#,5]==0, "Buzz",  True, #]& /@ Range[1,100]

Additional examples using DownValue pattern matching, the first without Mod'ing 15:

f[n_] := f[n, Mod[n, {3, 5}]]
f[_, {0, 0}] := "FizzBuzz"
f[_, {0, _}] := "Fizz"
f[_, {_, 0}] := "Buzz"
f[n_, {_, _}] := n
f /@ Range[100]
f[n_] := f[n, Mod[n, 15]]
f[_, 0] := "FizzBuzz"
f[n_, _] := f[n, Mod[n, {3, 5}]]
f[_, {0, _}] := "Fizz"
f[_, {_, 0}] := "Buzz"
f[n_, {_, _}] := n
f /@ Range[100]

MATLAB

There are more sophisticated solutions to this task, but in the spirit of "lowest level of comprehension required to illustrate adequacy" this is what one might expect from a novice programmer (with a little variation in how the strings are stored and displayed).

function fizzBuzz()
    for i = (1:100)
        if mod(i,15) == 0
           fprintf('FizzBuzz ')
        elseif mod(i,3) == 0
           fprintf('Fizz ')
        elseif mod(i,5) == 0
           fprintf('Buzz ')
        else
           fprintf('%i ',i))
        end
    end
    fprintf('\n');
end

Here's a more extendible version that uses disp() to print the output:

function out = fizzbuzzS()
	nums = [3, 5];
	words = {'fizz', 'buzz'};
	for (n=1:100)
		tempstr = '';
		for (i = 1:2)
			if mod(n,nums(i))==0
				tempstr = [tempstr,  words{i}];
			end
		end
		if length(tempstr) == 0
			disp(n);
		else
			disp(tempstr);
		end
	end
end

straightforward

x            = string(1:100);
x(3:3:$)     = 'Fizz';
x(5:5:$)     = 'Buzz';
x(3*5:3*5:$) = 'FizzBuzz'

Maxima

for n:1 thru 100 do
   if mod(n, 15) = 0 then (sprint("FizzBuzz"), newline())
   elseif mod(n, 3) = 0 then (sprint("Fizz"), newline())
   elseif mod(n,5) = 0 then (sprint("Buzz"), newline())
   else (sprint(n), newline());

MAXScript

for i in 1 to 100 do
(
    case of
    (
        (mod i 15 == 0): (print "FizzBuzz")
        (mod i 5 == 0):  (print "Buzz")
        (mod i 3 == 0):  (print "Fizz")
        default:         (print i)
    )
)

MEL

for($i=1; $i<=100; $i++)
{
    if($i % 15 == 0)
        print "FizzBuzz\n";
    else if ($i % 3 == 0)
        print "Fizz\n";
    else if ($i % 5 == 0)
        print "Buzz\n";
    else
        print ($i + "\n");
}

Mercury

:- module fizzbuzz.
:- interface.
:- import_module io.
:- pred main(io::di, io::uo) is det.
:- implementation.
:- import_module int, string, bool.
:- func fizz(int) = bool.
fizz(N) = ( if N mod 3 = 0 then yes else no ).
:- func buzz(int) = bool.
buzz(N) = ( if N mod 5 = 0 then yes else no ).
%                N    3?    5?
:- func fizzbuzz(int, bool, bool) = string.
fizzbuzz(_, yes, yes) = "FizzBuzz".
fizzbuzz(_, yes, no)  = "Fizz".
fizzbuzz(_, no,  yes) = "Buzz".
fizzbuzz(N, no,  no)  = from_int(N).
main(!IO) :- main(1, 100, !IO).
:- pred main(int::in, int::in, io::di, io::uo) is det.
main(N, To, !IO) :-
    io.write_string(fizzbuzz(N, fizz(N), buzz(N)), !IO),
    io.nl(!IO),
    ( if N < To then
        main(N + 1, To, !IO)
    else
        true
    ).
for i := 1 upto 100:
message if i mod 15 = 0: "FizzBuzz" &
elseif i mod 3 = 0: "Fizz" &
elseif i mod 5 = 0: "Buzz" &
else: decimal i & fi "";
endfor
end

Microsoft Small Basic

Translation of: GW-BASIC

For n = 1 To 100
  op = ""
  If Math.Remainder(n, 3) = 0 Then
    op = "Fizz"
  EndIf
  IF Math.Remainder(n, 5) = 0 Then
    op = text.Append(op, "Buzz")
  EndIf
  If op = "" Then
    TextWindow.WriteLine(n)
  Else
    TextWindow.WriteLine(op)
  EndIf
EndFor

min

Works with: min version 0.19.3

0 (
  succ false :hit
  (3 mod 0 ==) ("Fizz" print! true @hit) when
  (5 mod 0 ==) ("Buzz" print! true @hit) when
  (hit) (print) unless newline
) 100 times

Minimal BASIC

See FizzBuzz/Basic

MiniScript

for i in range(1,100)
    if i % 15 == 0 then
        print "FizzBuzz"
    else if i % 3 == 0 then
        print "Fizz"
    else if i % 5 == 0 then
        print "Buzz"
    else
        print i
    end if
end for

MIPS Assembly

#################################
# Fizz Buzz                     #
# MIPS Assembly targetings MARS #
# By Keith Stellyes             #
# August 24, 2016               #
#################################
# $a0 left alone for printing
# $a1 stores our counter
# $a2 is 1 if not evenly divisible
.data
	fizz: .asciiz "Fizz\n"
	buzz: .asciiz "Buzz\n"
	fizzbuzz: .asciiz "FizzBuzz\n"
	newline: .asciiz "\n"
.text
loop:
	beq $a1,100,exit
	add $a1,$a1,1
	#test for counter mod 15 ("FIZZBUZZ")
	div $a2,$a1,15
	mfhi $a2
	bnez $a2,loop_not_fb #jump past the fizzbuzz print logic if NOT MOD 15
#### PRINT FIZZBUZZ: ####
	li $v0,4 #set syscall arg to PRINT_STRING
	la $a0,fizzbuzz #set the PRINT_STRING arg to fizzbuzz
	syscall #call PRINT_STRING
	j loop #return to start
#### END PRINT FIZZBUZZ ####
loop_not_fb:
	div $a2,$a1,3 #divide $a1 (our counter) by 3 and store remainder in HI
	mfhi $a2 #retrieve remainder (result of MOD)
	bnez $a2, loop_not_f #jump past the fizz print logic if NOT MOD 3
#### PRINT FIZZ ####
	li $v0,4
	la $a0,fizz
	syscall
	j loop
#### END PRINT FIZZ ####
loop_not_f:
	div $a2,$a1,5
	mfhi $a2
	bnez $a2,loop_not_b
#### PRINT BUZZ ####
	li $v0,4
	la $a0,buzz
	syscall
	j loop
#### END PRINT BUZZ ####
loop_not_b:
	#### PRINT THE INTEGER ####
	li $v0,1 #set syscall arg to PRINT_INTEGER
	move $a0,$a1 #set PRINT_INTEGER arg to contents of $a1
	syscall #call PRINT_INTEGER
	### PRINT THE NEWLINE CHAR ###
	li $v0,4 #set syscall arg to PRINT_STRING
	la $a0,newline
	syscall
	j loop #return to beginning
exit:
	li $v0,10
	syscall

Mirah

1.upto(100) do |n|
    print "Fizz" if a = ((n % 3) == 0)
    print "Buzz" if b = ((n % 5) == 0)
    print n unless (a || b)
    print "\n"
end

A little more straight forward:

1.upto(100) do |n|
    if (n % 15) == 0
        puts "FizzBuzz"
    elsif (n % 5) == 0
        puts "Buzz"
    elsif (n % 3) == 0
        puts "Fizz"
    else
        puts n
    end
end

Miranda

main :: [sys_message]
main = [Stdout (lay (map fizzbuzz [1..100]))]
fizzbuzz :: num->[char]
fizzbuzz n = "FizzBuzz", if n mod 15 = 0
           = "Fizz",     if n mod 3  = 0
           = "Buzz",     if n mod 5  = 0
           = show n,     otherwise

ML

Standard ML

First using two helper functions, one for deciding what to output and another for performing recursion with an auxiliary argument j.

local
  fun fbstr i =
      case (i mod 3 = 0, i mod 5 = 0) of
          (true , true ) => "FizzBuzz"
        | (true , false) => "Fizz"
        | (false, true ) => "Buzz"
        | (false, false) => Int.toString i
  fun fizzbuzz' (n, j) =
      if n = j then () else (print (fbstr j ^ "\n"); fizzbuzz' (n, j+1))
in
  fun fizzbuzz n = fizzbuzz' (n, 1)
  val _ = fizzbuzz 100
end

Second using the standard-library combinator List.tabulate and a helper function, fb, that calculates and prints the output.

local
  fun fb i = let val fizz = i mod 3 = 0 andalso (print "Fizz"; true)
                 val buzz = i mod 5 = 0 andalso (print "Buzz"; true)
             in fizz orelse buzz orelse (print (Int.toString i); true) end
in
  fun fizzbuzz n = (List.tabulate (n, fn i => (fb (i+1); print "\n")); ())
  val _ = fizzbuzz 100
end

mLite

local
	fun fizzbuzz'
			(x mod 15 = 0) = "FizzBuzz"
		|	(x mod  5 = 0) = "Buzz"
		|	(x mod  3 = 0) = "Fizz"
		|	x = ntos x
in
	fun fizzbuzz
			([], s) = rev s
		|	(x :: xs, s) = fizzbuzz (xs, fizzbuzz' x :: s)
		|	(x :: xs)    = fizzbuzz (x :: xs, [])
end
;
println ` fizzbuzz ` iota 100;

MMIX

t   IS $255
Ja  IS $127
       LOC Data_Segment
data   GREG   @
fizz   IS @-Data_Segment
       BYTE "Fizz",0,0,0,0
buzz   IS @-Data_Segment
       BYTE "Buzz",0,0,0,0
nl     IS @-Data_Segment
       BYTE #a,0,0,0,0,0,0,0
buffer IS @-Data_Segment
       LOC #1000
       GREG @
% "usual" print integer subroutine
printnum LOC @
       OR   $1,$0,0
       SETL $2,buffer+64
       ADDU $2,$2,data
       XOR  $3,$3,$3
       STBU $3,$2,1
loop   DIV  $1,$1,10
       GET  $3,rR
       ADDU $3,$3,'0'
       STBU $3,$2,0
       SUBU $2,$2,1
       PBNZ $1,loop
       ADDU t,$2,1
       TRAP 0,Fputs,StdOut
       GO   Ja,Ja,0
Main   SETL $0,1           % i = 1
1H     SETL $2,0           % fizz not taken
       CMP  $1,$0,100      % i <= 100
       BP   $1,4F          % if no, go to end
       DIV  $1,$0,3
       GET  $1,rR          % $1 = mod(i,3)
       CSZ  $2,$1,1        % $2 = Fizz taken?
       BNZ  $1,2F          % $1 != 0? yes, then skip
       ADDU t,data,fizz
       TRAP 0,Fputs,StdOut % print "Fizz"
2H     DIV  $1,$0,5
       GET  $1,rR          % $1 = mod(i,5)
       BNZ  $1,3F          % $1 != 0? yes, then skip
       ADDU t,data,buzz
       TRAP 0,Fputs,StdOut % print "Buzz"
       JMP  5F             % skip print i
3H     BP   $2,5F          % skip if Fizz was taken
       GO   Ja,printnum    % print i
5H     ADDU t,data,nl
       TRAP 0,Fputs,StdOut % print newline
       ADDU $0,$0,1
       JMP  1B             % repeat for next i
4H     XOR  t,t,t
       TRAP 0,Halt,0       % exit(0)

Modula-2

MODULE Fizzbuzz;
FROM FormatString IMPORT FormatString;
FROM Terminal IMPORT WriteString,WriteLn,ReadChar;
TYPE CB = PROCEDURE(INTEGER);
PROCEDURE Fizz(n : INTEGER);
BEGIN
    IF n MOD 3 = 0 THEN
        WriteString("Fizz");
        Buzz(n,Newline)
    ELSE
        Buzz(n,WriteInt)
    END
END Fizz;
PROCEDURE Buzz(n : INTEGER; f : CB);
BEGIN
    IF n MOD 5 = 0 THEN
        WriteString("Buzz");
        WriteLn
    ELSE
        f(n)
    END
END Buzz;
PROCEDURE WriteInt(n : INTEGER);
VAR buf : ARRAY[0..9] OF CHAR;
BEGIN
    FormatString("%i\n", buf, n);
    WriteString(buf)
END WriteInt;
PROCEDURE Newline(n : INTEGER);
BEGIN
    WriteLn
END Newline;
VAR i : INTEGER;
BEGIN
    FOR i:=1 TO 30 DO
        Fizz(i)
    END;
    ReadChar
END Fizzbuzz.

Modula-3

MODULE Fizzbuzz EXPORTS Main;
IMPORT IO;
BEGIN
   FOR i := 1 TO 100 DO
      IF i MOD 15 = 0 THEN
         IO.Put("FizzBuzz\n");
      ELSIF i MOD 5 = 0 THEN
         IO.Put("Buzz\n");
      ELSIF i MOD 3 = 0 THEN
         IO.Put("Fizz\n");
      ELSE
         IO.PutInt(i);
         IO.Put("\n");
      END;
   END;
END Fizzbuzz.

Read the original on rosettacode.org ↗