From: Ben Harris <bjh21@bjh21.me.uk>
Date: Thu, 30 May 2024 20:24:19 +0000 (+0100)
Subject: 20b: working on the example
X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~bjharris/git?a=commitdiff_plain;h=e5fc04859b58668c4479875c6fadb904320a2ebd;p=aoc-2022.git

20b: working on the example

But not the real input
---

diff --git a/20/20b.bqn b/20/20b.bqn
new file mode 100644
index 0000000..dbd8ab4
--- /dev/null
+++ b/20/20b.bqn
@@ -0,0 +1,11 @@
+Prep←•ParseFloat¨
+
+Main←{ 𝕊 orig:
+  Twiddle←{ (1⊸⌽)⌾((1+(¯1+≠𝕩)|𝕨)⊸↑) (⊑𝕩⊐𝕨)⌽𝕩 }
+  Mix←Twiddle´⟜⌽
+  orig ×↩ 811589153
+  cur ← orig Mix˜⍟10 orig
+  +´((≠cur)|(cur⊐0)+⟨1000,2000,3000⟩)⊏cur
+}
+
+•Show Main Prep •file.Lines ⊑•args