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| author | Adam Spragg <adam@spra.gg> | 2023-01-17 14:58:52 +0000 |
|---|---|---|
| committer | Adam Spragg <adam@spra.gg> | 2023-01-17 16:32:24 +0000 |
| commit | 69a900c9b0e720c791f3d3deb28fc8de17f8cc8c (patch) | |
| tree | 5ca44a8fc5412580deee9285cd4553bf9b39645b /.gitignore | |
| parent | 966745e79b871c576b5ebdabea526b7acd3a4251 (diff) | |
Puzzle 16: Speed up the permute skipping code
By realising that the first time we hit the need to skip, the items to
be skipped will be in sorted order; to change them to reverse-sorted
order just requires reversing the items, not re-sorting them backwards.
(On part 1 of the puzzle with a 40 minute limit, the timing goes from
6.6s to 4.3s, average of 5 runs.)
Diffstat (limited to '.gitignore')
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