From a2019b1372bbd485ff36b49456af0189644711ff Mon Sep 17 00:00:00 2001 From: Nat Lasseter Date: Mon, 18 Dec 2017 22:33:26 +0000 Subject: Day16 Part1 --- day16/part1 | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) create mode 100755 day16/part1 (limited to 'day16/part1') diff --git a/day16/part1 b/day16/part1 new file mode 100755 index 0000000..be38c2e --- /dev/null +++ b/day16/part1 @@ -0,0 +1,26 @@ +#!/usr/bin/env ruby + +input = gets.chomp.split(',') + +line = %w( a b c d e f g h i j k l m n o p ) + +input.each do |istr| + case istr[0] + when 's' + n = istr[1..-1].to_i + line = line[-n..-1] + line[0..-n-1] + when 'x' + ns = istr[1..-1].split('/').map(&:to_i) + t = line[ns[0]] + line[ns[0]] = line[ns[1]] + line[ns[1]] = t + when 'p' + ps = istr[1..-1].split('/') + i0 = line.index(ps[0]) + i1 = line.index(ps[1]) + line[i0] = ps[1] + line[i1] = ps[0] + end +end + +puts line.join -- cgit v1.2.3