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/part1 | 44 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 44 insertions(+) create mode 100755 day09/part1 (limited to 'day09/part1') diff --git a/day09/part1 b/day09/part1 new file mode 100755 index 0000000..1bb643a --- /dev/null +++ b/day09/part1 @@ -0,0 +1,44 @@ +#!/usr/bin/env ruby + +input = gets.chomp.chars + +ptr = 0 +garbage = false +escape = false +lvl = 0 +score = 0 + +input.each do |ch| + if escape then + escape = false + next + end + + if ch == '!' then + escape = true + next + end + + if garbage then + garbage = false if ch == '>' + next + end + + if ch == '<' then + garbage = true + next + end + + if ch == '{' then + lvl += 1 + score += lvl + next + end + + if ch == '}' then + lvl -= 1 + next + end +end + +puts score -- cgit v1.2.3