From 1b823059531c98576922bed631de42bf37545f76 Mon Sep 17 00:00:00 2001
From: June McEnroe <june@causal.agency>
Date: Tue, 6 Dec 2022 10:22:00 -0500
Subject: Solve day 6 part 1

---
 2022/day06.awk | 14 ++++++++++++++
 1 file changed, 14 insertions(+)
 create mode 100644 2022/day06.awk

diff --git a/2022/day06.awk b/2022/day06.awk
new file mode 100644
index 0000000..176cd4f
--- /dev/null
+++ b/2022/day06.awk
@@ -0,0 +1,14 @@
+{
+	for (i = 1; i < length; i++) {
+		c1 = c2;
+		c2 = c3;
+		c3 = c4;
+		c4 = substr($1, i, 1);
+		if (c1 == c2 || c1 == c3 || c1 == c4) continue;
+		if (c2 == c3 || c2 == c4) continue;
+		if (c3 == c4) continue;
+		if (i < 4) continue;
+		print i;
+		break;
+	}
+}
-- 
cgit 1.4.1