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| author | June McEnroe <june@causal.agency> | 2019-12-12 00:50:59 -0500 |
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| committer | June McEnroe <june@causal.agency> | 2020-11-22 00:14:26 -0500 |
| commit | a5332be91a0aa565aedce2053f5bbc68dd470dbd (patch) | |
| tree | 3ca8fc2af80bbbd164388e703ff8ef47f21aaead /2019/day07.c | |
| parent | Solve day 10 part 1 (diff) | |
| download | aoc-a5332be91a0aa565aedce2053f5bbc68dd470dbd.tar.gz aoc-a5332be91a0aa565aedce2053f5bbc68dd470dbd.zip | |
Solve day 10 part 2
I'm so fucking frustrated with this one. I was stuck for hours trying to sort the points by angle not realizing that (int)(angle(a) - angle(b)) would be 0 for all angles with differences smaller than 1. I also wanted to do the sort by atan2(-y, x) - π/2 intuitively to get "up" be zero, but I never got that to work.
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