Advent of Code Prep: Advanced Techniques

This is part 3 of a three-part series on preparing for Advent of Code . See the main overview for the complete roadmap, Part 1: Foundation for parsing and data structures, or Part 2: Core Skills for grids and basic traversal. &#xA; You&rsquo;ve got the foundation. You can navigate grids and traverse graphs with BFS and DFS. Now for the techniques that unlock the harder puzzles—the ones where brute…