Reverse-engineering the program from “Chronospatial Computer”, day 17 of Advent of Code 2024.
Solving “Bridge Repair”, from day 7 of Advent of Code 2024, in 4ms with Python with a simple deductive algorithm.
Think of a number between 1 and 10. Multiply it by 9 and subtract 1. Now close your eyes. It got dark, didn't it?