diff options
Diffstat (limited to 'day03/part2')
-rwxr-xr-x | day03/part2 | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/day03/part2 b/day03/part2 new file mode 100755 index 0000000..52e26da --- /dev/null +++ b/day03/part2 @@ -0,0 +1,33 @@ +#!/usr/bin/env ruby + +cloth = Array.new(1000) do + Array.new(1000) do + Array.new + end +end + +input = $stdin.readlines.map(&:chomp).map do |x| + /#(\d+) @ (\d+),(\d+): (\d+)x(\d+)/.match(x).captures.map(&:to_i) +end + +input.each do |claim| + (claim[1]...(claim[1]+claim[3])).each do |c| + (claim[2]...(claim[2]+claim[4])).each do |r| + cloth[c][r] << claim[0] + end + end +end + +overlaps = Array.new(input[-1][0], false) + +cloth.each do |c| + c.each do |r| + if r.length > 1 + r.each do |id| + overlaps[id-1] = true + end + end + end +end + +puts overlaps.index(false) + 1 |