From 850cfecc670e0f16a98e214632293478ff5eb09d Mon Sep 17 00:00:00 2001
From: fredrikr79 <fredrikrobertsen7@gmail.com>
Date: Wed, 24 Sep 2025 00:21:05 +0200
Subject: [PATCH] solve 2016/1 part 2 in uiua

---
 2016/1/main.ua | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/2016/1/main.ua b/2016/1/main.ua
index 4919dd5..5b60af4 100644
--- a/2016/1/main.ua
+++ b/2016/1/main.ua
@@ -22,3 +22,17 @@ $Part₁
 # 
 # we can see many awesome pieces of functional and
 # array oriented code!
+
+&fras $ input.txt
+°/$"_, _" ⍜⇌↘₁
+∧◇(⍥(⊙⊂⟜⊣\+)⋕ ⍣(
+    ⍩⊙⍜⊢(×i) °(⊂@L)
+  | ⍩⊙⍜⊢(ׯi) °(⊂@R))
+)⊙i_0⊙[]
+⌵+°ℂ ⊡⊸(⊢⍖=1⧆)⇌ ◌
+$Part₂
+# for this part, we only need to keep track of
+# each intermediate step (all our positions).
+# this by modifying the ⍥-loop to keep a log.
+# then we can find the first reoccurring position
+# using the new ⧆.