From 3555be54c2abb8d5ece008a60dbdfbde0ffbddd7 Mon Sep 17 00:00:00 2001
From: Alex Pickering <alex@cogarr.net>
Date: Fri, 7 Feb 2025 12:49:48 -0600
Subject: inital commit

---
 06/1.lua | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)
 create mode 100644 06/1.lua

(limited to '06/1.lua')

diff --git a/06/1.lua b/06/1.lua
new file mode 100644
index 0000000..68ea3e2
--- /dev/null
+++ b/06/1.lua
@@ -0,0 +1,28 @@
+require("ext")
+local line = io.read("*a")
+
+local buf = {}
+for i = 1,14 do
+	table.insert(buf, line:sub(i,i))
+end
+function checkbuf()
+	local s,u = {},0
+	for _,v in pairs(buf) do
+		if not s[v] then
+			s[v] = true
+			u = u + 1
+		end
+	end
+	if u == 14 then
+		return true
+	end
+end
+if checkbuf() then print(14) end
+for i = 15,#line do
+	table.remove(buf,1)
+	table.insert(buf,line:sub(i,i))
+	if checkbuf() then
+		print(i)
+		break
+	end
+end
-- 
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