25 lines
487 B
Ruby
25 lines
487 B
Ruby
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#!/usr/bin/env ruby
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require_relative '../common'
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def part1
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Input.new(__dir__).readlines.map do |gift|
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l, w, h = gift.split('x').map(&:to_i)
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areas = [l * w, w * h, h * l]
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areas.map { |area| area * 2 }.sum + areas.min
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end.sum
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end
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def part2
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Input.new(__dir__).readlines.map do |gift|
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dimensions = gift.split('x').map(&:to_i)
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dimensions.sort[0, 2].sum * 2 + dimensions.inject(:*)
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end.sum
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end
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puts "=== Part 1 ==="
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puts part1
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puts "=== Part 2 ==="
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puts part2
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