Advent of Code 2020 day 20
Yak shaving and sea monsters
haskell
A collection of 51 posts
Advent of Code 2020 day 19
More parsing. It started easier than I thought, then Haskell made it harder.
Advent of Code 2020 day 18
Going back to the source for parser combinators
Advent of Code 2020 day 17
Cellular automata and typeclasses
Advent of Code 2020 day 16
Types and parsers, then using a library for the hard bit.
Advent of Code 2020 day 15
Diving into ST and monad loop control, all in the pursuit of speed