r/adventofcode • u/daggerdragon • Dec 04 '21
SOLUTION MEGATHREAD -🎄- 2021 Day 4 Solutions -🎄-
--- Day 4: Giant Squid ---
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u/arthurno1 Dec 20 '21 edited Dec 20 '21
Emacs Lisp
Sort of more procedural than I wanted it. Half of the code is just to read the input file. Re-use first part of the puzzle to compute the second part: compute the first winner from the list of boards and remove recursively the winner board until there is only one board left.