Highload
On and off for most of 2025, I tried solving the challenges on highload.fun.
Aniruddha Deb
Last 10 notes on Aniruddha Deb
Latest posts
Thoughts
Don’t spend too much time on infra.
XML to JSON
Task#6Position1Score26,922Best Score26,922Points1.000 Problem Statement You have a XML file in STDIN with persons information like <?xml version="1.0" encoding="UTF-8"?> <persons> <person id="1512376"> <age>30</age> <height>169.1<...
Unique Strings (v2)
Task#7Position7Score269,976Best Score128,516Points0.476 Problem Statement You have a data stream of string tokens to STDIN.
TopK
Task#11Position8Score24,225Best Score21,477Points0.887 Problem Statement You have a data stream of uint32 numbers in binary representation sending to STDIN.
Sum of Primes
Task#10Position25Score61,626Best Score2,980Points0.048 Problem Statement You have a data stream of uint32 numbers in binary representation sending to STDIN.
Sort UUIDs
Task#9Position6Score1,588,324Best Score1,278,416Points0.805 Problem Statement You have a data stream of UUIDs as strings to STDIN.
Parse JSON
Task#3Position2Score39,606Best Score38,681Points0.977 Problem Statement You have a data stream of records to STDIN. Each record is encoded in JSON.
Parse Integers
Task#1Position9Score4,788Best Score2,911Points0.608 Problem Statement You have a data stream of numbers in string representation sending to STDIN.
Parse DateTime
Task#14Position3Score18,105Best Score13,449Points0.743 Problem Statement You have a datastream of datetimes in RFC3339 format sending to STDIN.