From 89b9402b79bb0d496e37ec2a02164cbbb211a637 Mon Sep 17 00:00:00 2001 From: Nat Lasseter Date: Sat, 9 Dec 2017 18:29:02 +0000 Subject: Day 09 --- day09/part2 | 37 +++++++++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) create mode 100755 day09/part2 (limited to 'day09/part2') diff --git a/day09/part2 b/day09/part2 new file mode 100755 index 0000000..d92e7cd --- /dev/null +++ b/day09/part2 @@ -0,0 +1,37 @@ +#!/usr/bin/env ruby + +input = gets.chomp.chars + +ptr = 0 +garbage = false +escape = false +lvl = 0 +chars = 0 + +input.each do |ch| + if escape then + escape = false + next + end + + if ch == '!' then + escape = true + next + end + + if garbage then + if ch == '>' then + garbage = false + else + chars += 1 + end + next + end + + if ch == '<' then + garbage = true + next + end +end + +puts chars -- cgit v1.2.3