Day 10: Factory
Summary
Day 10: Factory presents multiple community approaches to the Advent of Code 2025 Day 10 puzzle. The thread highlights strategies from bitset representations and Gosper's hack for Part 1, to sophisticated linear-algebra and integer programming techniques for Part 2, with implementations in Python, Rust, Elixir, and C#/Elixir examples. It also discusses performance challenges and trade-offs between brute-force, DP, and optimization methods.