advent-of-code/2019/18/notes
2019-12-18 21:03:14 +01:00

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priority:
(closest) actually dead end with keys -> (closest) key for reachable door
alphabetical as tiebreaker
for scan: set of visited positions
tasks:
//scan entire map -> create dependencies (Map<Key, Set<Key>>)
dead end detection -> also done?
//implement pathfinding (maybe dijkstra-like?)
4816 too high
4266 too high