You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
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dots, folds = ARGF.read.split("\n\n")
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dots = dots.scan(/(\d+),(\d+)/).map { _1.map(&:to_i) }
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folds = folds.scan(/(x|y)=(\d+)/).map { [_1, _2.to_i] }
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dirs = { ?x => 0, ?y => 1 }
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folds.each do |dir, axis|
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index = dirs.fetch(dir)
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dots.select { _1[index] > axis }.each do |dot|
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dot[index] = axis - (dot[index] - axis)
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end
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dots.uniq!
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# p dots.size or exit
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end
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xx = Range.new(*dots.map(&:first).minmax)
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yy = Range.new(*dots.map(&:last).minmax)
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puts yy.map {|y| xx.map {|x| dots.include?([x,y]) ? "█" : " " }.join }.join("\n")
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