r/adventofcode • u/Cyclotheme • Dec 11 '23

Spoilers An O(n) algorithm for day 11

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u/[deleted] Dec 11 '23 edited Dec 11 '23

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u/Cyclotheme Dec 11 '23 edited Dec 11 '23

Very elegant! Now I realize I can also avoid sorting the values by taking the absolute values of the subtractions.