blob: 79b9d85988d2a3cb704fa8d84a7c8e69698ebc42 (
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#!/usr/bin/env ruby
cloth = Array.new(1000) do
Array.new(1000, 0)
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] += 1
end
end
end
clashes = 0
cloth.each do |c|
c.each do |r|
clashes += 1 if r > 1
end
end
puts clashes
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