From: Ben Harris <bjh21@bjh21.me.uk>
Date: Fri, 3 May 2024 09:26:10 +0000 (+0100)
Subject: 03b done
X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~bjharris/git?a=commitdiff_plain;h=00d6f670712c49612a11cea3629a2d8f55060bf4;p=aoc-2022.git

03b done

Still don't really understand the interaction of ˝ and ˘ though.
---

diff --git a/03/03b.bqn b/03/03b.bqn
new file mode 100644
index 0000000..9a52f2a
--- /dev/null
+++ b/03/03b.bqn
@@ -0,0 +1,10 @@
+Group←{⟨∘,3⟩⥊𝕩}
+Intersect←{(𝕨∊𝕩)/𝕨}     # Find elements of 𝕨 that are in 𝕩.
+
+PriorityLC←{( 1+𝕩-'a')×(𝕩≥'a')∧(𝕩≤'z')}
+PriorityUC←{(27+𝕩-'A')×(𝕩≥'A')∧(𝕩≤'Z')}
+Priority←PriorityLC+PriorityUC
+
+Main←{+´(Priority (⊑Intersect´)¨<˘Group𝕩)}
+
+•Show Main •file.Lines ⊑•args