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SOLUTION MEGATHREAD-🎄- 2019 Day 3 Solutions -🎄-(self.adventofcode)
submitted 6 years, 1 month ago* (edited 14 minutes after) by daggerdragon to /r/adventofcode (134.8k)
since 6 years, 1 month ago
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man I struggled so hard with day 3 I gave up and looked at your answers. Should've known to use a hashmap. I kept running out of heap space trying to compute a huge x by y sized 2d array ...
Funny enough that's what I thought of at first.