From 54350d120ff81743476fa851a2f049b3f50f617f Mon Sep 17 00:00:00 2001
From: Nat Lasseter <Nat Lasseter nathan@bytemark.co.uk>
Date: Sat, 2 Dec 2017 16:34:42 +0000
Subject: Day 02

---
 day02/part1 | 12 ++++++++++++
 1 file changed, 12 insertions(+)
 create mode 100755 day02/part1

(limited to 'day02/part1')

diff --git a/day02/part1 b/day02/part1
new file mode 100755
index 0000000..b63cec1
--- /dev/null
+++ b/day02/part1
@@ -0,0 +1,12 @@
+#!/usr/bin/env ruby
+
+cs = 0
+
+input = $stdin.readlines.map(&:chomp)
+
+input.each do |line|
+  nums = line.split.map(&:to_i)
+  cs += nums.max - nums.min
+end
+
+puts cs
-- 
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