Thought I’d share mine because most of the visualisations out there show the rocks sliding one cell at a time, all together. That looks nice but for my solution that’s not how it works - I walk every row/col with two cursors.
Code here: https://github.com/sjmulder/aoc/blob/master/2023/c/day14.c
The visualisation is emitted right from the solution using a small library which dumps frames to ffmpeg.
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Very nice! I was wondering what the movements of the blocks looked like.