15 lines
256 B
Ruby
15 lines
256 B
Ruby
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#!/usr/bin/env ruby
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require "debug"
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input = File.readlines("1.input").map(&:split)
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first = input.map(&:first).compact.sort
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last = input.map(&:last).compact.sort
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result = first.map.with_index do |v, i|
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(v.to_i - last[i].to_i).abs
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end.sum
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puts result
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