24 lines
449 B
Ruby
Executable File
24 lines
449 B
Ruby
Executable File
#!/usr/bin/env ruby
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# frozen_string_literal: true
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require 'pry'
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# Part 1
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real_input = File.read('./input')
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input = real_input
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col1 = input.split("\n").map(&:split).map { |pair| pair[0].to_i }.sort
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col2 = input.split("\n").map(&:split).map { |pair| pair[1].to_i }.sort
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# binding.pry
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solution = col1.zip(col2).map { |left, right| (right - left).abs }.sum
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puts solution
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# Part 2
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p2 = col1.map { |value| value * col2.count(value) }.sum
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puts p2
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