1 files changed, 5 insertions, 0 deletions
diff --git a/day01/part1 b/day01/part1
new file mode 100755
index 0000000..6d82338
--- /dev/null
+++ b/day01/part1
@@ -0,0 +1,5 @@
+#!/usr/bin/env ruby
+
+input = $stdin.readlines.map(&:strip).map(&:to_i)
+
+puts input.map{ |x| (x / 3) - 2 }.sum