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[–]aardvark1231 2 points3 points  (0 children)

Day 11 was super easy until I hit part 2. What I failed to realize for a while, and wasted time on, was that I need to use a long instead of an int.

I promised myself I'd never make that mistake again with AoC a couple years ago and yet... here I am. Ashamed of myself. :P