My objectif of that year was to make rendering when I had something fun to create. The rendering speed is pretty slow because of console limits but the next year, I optimized it a bit.
Day3: Toboggan Trajectory
Going down hill with trees ( green # ), which of the 5 angles makes you ( yellow symbol) hit ( red X ) the least amount of trees.
Day5
Find your seat by scanning ALL tickets, they are kinda encoded in binary. You know that you are not the last nor the first of a row ( red X ).
Day11
A version of the game of life. There are a lot of steps to get to the end, which is super long to render.
Day14
Mathematics with bit masks.
Day24
A member of the renovation crew gives you a list of the tiles that need to be flipped over (your puzzle input).
