From 4f8745c22e16c7923047f02c405f4a6bf0be1a5d Mon Sep 17 00:00:00 2001
From: Thomas Voss <mail@thomasvoss.com>
Date: Thu, 5 Dec 2024 09:39:07 +0100
Subject: Add 2024 day 5 solutions

---
 2024/05/puzzle-1.awk | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100755 2024/05/puzzle-1.awk

(limited to '2024/05/puzzle-1.awk')

diff --git a/2024/05/puzzle-1.awk b/2024/05/puzzle-1.awk
new file mode 100755
index 0000000..bd9ed68
--- /dev/null
+++ b/2024/05/puzzle-1.awk
@@ -0,0 +1,18 @@
+#!/usr/bin/awk -f
+
+BEGIN { FS = "[|,]" }
+
+/\|/ { rules[$1][$2] = 1 }
+/,/ {
+	delete seen
+	for (i = 1; i <= NF; i++) {
+		for (j in seen) {
+			if (j in rules[$i])
+				next
+		}
+		seen[$i] = 1
+	}
+	mid += $(i / 2)
+}
+
+END { print mid }
\ No newline at end of file
-- 
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