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-rw-r--r--content/projects/aoc2021-bigboys.md16
1 files changed, 16 insertions, 0 deletions
diff --git a/content/projects/aoc2021-bigboys.md b/content/projects/aoc2021-bigboys.md
index 5ea0356..25ec055 100644
--- a/content/projects/aoc2021-bigboys.md
+++ b/content/projects/aoc2021-bigboys.md
@@ -74,6 +74,20 @@ them up nicely.
Part 2: 498570828
Note: This should be doable in under a second (language dependant).
+## Day 9
+
+* 4096x4096 with a different basin forming algorithm than the original (I
+ honestly don't know exactly how the original works, but I think mine produces
+ harder basins)
+ [Download 9-4096-4.in.xz (4.3MiB compressed / 17MiB decompressed)][9-4096-4.in.xz]
+ Part 1: 152649
+ Part 2: 101367520960
+ Note: This should be doable in under a second.
+* broken 4096x4096 - There are basins with multiple local minima.
+ [Download 9-4096-2.in.xz (4.3MiB compressed / 17MiB decompressed)][9-4096-2.in.xz]
+ Part 1: 149706
+ Part 2: 4971158490375 (5292585633483 if you count duplicate basins)
+
[3-1000001-100.in.xz]: https://the-tk.com/files/aoc2021-bigboys/3-1000001-100.in.xz
[4-900-15.in.xz]: https://the-tk.com/files/aoc2021-bigboys/4-900-15.in.xz
[4-3600-30.in.xz]: https://the-tk.com/files/aoc2021-bigboys/4-3600-30.in.xz
@@ -82,3 +96,5 @@ them up nicely.
[5-50000-10000000.in.xz]: https://the-tk.com/files/aoc2021-bigboys/5-50000-10000000.in.xz
[7-1000000-2.in.xz]: https://the-tk.com/files/aoc2021-bigboys/7-1000000-2.in.xz
[8-100000.in.xz]: https://the-tk.com/files/aoc2021-bigboys/8-100000.in.xz
+[9-4096-2.in.xz]: https://the-tk.com/files/aoc2021-bigboys/9-4096-2.in.xz
+[9-4096-4.in.xz]: https://the-tk.com/files/aoc2021-bigboys/9-4096-4.in.xz