Oh, dear. Day 13 looks like it's going to be painful, I will have to think about what's the right way to approach this in Haskell. Do I finally need a monad?
Oh, dear. Day 13 looks like it's going to be painful, I will have to think about what's the right way to approach this in Haskell. Do I finally need a monad?
RE: Advent of Code, day 12, in Haskell [spoilers]