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Advent of Code 2024 Week 2: this time it's all grids, all the time (awful.systems)

submitted 1 week ago by [email protected] to c/[email protected]

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[–] [email protected] 2 points 2 days ago (2 children)

Day 15

Pretty easy. Just check in the direction you want to push if you have space.

p2 DNF

Currently debugging with test cases from the subreddit. I’ve also created a shitty visualiser for it, stay tuned!

[–] [email protected] 2 points 2 days ago

P2 complete

The issue with my code was that I didn't make a push atomic, i.e. I would move boxes even if their ancestors couldn't be pushed. Making a list of candidate boxes to push solved this.

Here's the visualisation of the complete solution, though it doesn't show the last 100 frames or so. Please forgive me

https://imgur.com/a/RL50MaC

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