31 lines
757 B
Ruby
31 lines
757 B
Ruby
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require 'pry'
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arr = Array.new(1000){Array.new(1000){{count: 0, id: nil}}}
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ids = Array.new
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dups = Array.new
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File.open("input", "r") do |f|
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f.each_line do |line|
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id = line[/\d+/].to_i
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offset_left, offset_top = line[/\d+,\d+/].split(",").map(&:to_i)
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width, height = line[/\d+x\d+/].split("x").map(&:to_i)
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ids.push id
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height.times do |y|
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width.times do |x|
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arr[offset_top + y][offset_left + x][:count] += 1
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if arr[offset_top + y][offset_left + x][:id] != nil
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dups.push arr[offset_top + y][offset_left + x][:id]
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dups.push id
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end
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arr[offset_top + y][offset_left + x][:id] = id
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end
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end
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end
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end
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puts arr.flatten.select{|a| a[:count] > 1}.count
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puts (ids - dups.uniq)
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