13 lines
218 B
Ruby
13 lines
218 B
Ruby
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total = 0
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while(true) do
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line = gets
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if line == nil then break end
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numbers = line.split(' ').map do |number| number.to_i end
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top = numbers.max
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bottom = numbers.min
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total += (top - bottom)
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end
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puts(total)
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