From 459ec24170debd83cb31a1b050fbc4dd8a108227 Mon Sep 17 00:00:00 2001
From: aprzn <apr0alt@gmail.com>
Date: Wed, 13 Dec 2023 03:09:29 -0500
Subject: [PATCH] day 13

---
 day13.ua | 35 +++++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)
 create mode 100644 day13.ua

diff --git a/day13.ua b/day13.ua
new file mode 100644
index 0000000..61ea49f
--- /dev/null
+++ b/day13.ua
@@ -0,0 +1,35 @@
+$ #.##..##.
+$ ..#.##.#.
+$ ##......#
+$ ##......#
+$ ..#.##.#.
+$ ..##..##.
+$ #.#.##.#.
+$ 
+$ #...##..#
+$ #....#..#
+$ ..##..###
+$ #####.##.
+$ #####.##.
+$ ..##..###
+$ #....#..#
+TestInput ←
+
+Parse ← ⊜(□=@#⊜∘≠@\n.)¬⌕"\n\n".
+
+PartI ← +⊙(×100)∩(
+  -⊃(⧻|×2+1⊚|:)≡≍⬚0↻1..
+  /+▽⊓(≡(/×≡≍⇌.↘)⊙¤|+1⊚)
+)⍉.°□
+
+# apparently adding a comment here fixes highlighting lol
+PartII ← +⊙(×100)∩(
+  -⊃(⧻|×2+1⊚|:)⍜(⊢⇌|⋅0)+1⊚⧻.?
+  /+▽⊓(≡(×⊃(/×+|=2/+)≡⊃(=1/+≠|≍)⇌.↘)⊙¤|+1⊚)
+)⍉.°□
+
+/+≡PartI Parse TestInput
+/+≡PartII Parse TestInput
+
+/+≡PartI Parse &fras "day13.in"
+/+≡PartII Parse &fras "day13.in"