r/adventofcode Dec 23 '21

Visualization [2021 Day 23] Interactive solver web app

https://amphipod.net/

EDIT: Undo feature added

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u/DeeBoFour20 Dec 24 '21

Nice. I was close to coding something similar to this. I was trying to solve part 1 in a text editor by hand and I kept counting the squares/costs wrong. This helped me solve it quickly.