From 43ab0a3a7a1e095f5f33f224ce73c413f49e156c Mon Sep 17 00:00:00 2001
From: Nat Lasseter <user@4574.co.uk>
Date: Sun, 2 Dec 2018 12:41:05 +0000
Subject: Initial commit

---
 day01/part2 | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
 create mode 100755 day01/part2

(limited to 'day01/part2')

diff --git a/day01/part2 b/day01/part2
new file mode 100755
index 0000000..d48de47
--- /dev/null
+++ b/day01/part2
@@ -0,0 +1,17 @@
+#!/usr/bin/env ruby
+
+input = $stdin.readlines.map(&:to_i)
+
+lf = 0
+freq = [0]
+
+loop do
+	input.each do |i|
+		lf += i
+		if freq.include?(lf)
+			puts lf
+			exit
+		end
+		freq << lf
+	end
+end
-- 
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