Advent of Code Day 18 -- Lavaduct Lagoon
We had game night tonight, more HeroQuest (yay!), so I didn’t have a lot of time to work on this. Basically, you’re digging out a lagoon into which lava will flow. Part 1 could easily be calculated using a basic flood fill algorithm, so I did it that way, got the first star for the day, and went to work. I’d already seen that, as expected, part 2 would resist something that easy. ...
