Advent of Code 2020 review
A look back on the event
advent of code
A collection of 50 posts
Advent of Code 2020 day 25
Avoiding the very deep weeds of number theory
Advent of Code 2020 day 24
More cellular automata, but with added typeclass fun
Advent of Code 2020 day 23
Starting simple, then changing direction for performance
Advent of Code 2020 day 22
A simple game, with a DIY hash table for speed
Advent of Code 2020 day 21
Confusing in its simplicity