21 lines
413 B
Ruby
21 lines
413 B
Ruby
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#!/bin/env ruby
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#part 1
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report = File.readlines('./input').map(&:strip)
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masks = []
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report[0].length.times{ masks.push(2 ** _1) }
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report.map!{ _1.to_i(2) }
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gamma = 0
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masks.each do |mask|
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if report.map{ mask & _1 }.reject(&:zero?).count > report.count / 2
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gamma += mask
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end
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end
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epsilon = gamma ^ masks.sum
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puts "Gamma is #{gamma}"
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puts "Epsilon is #{epsilon}"
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puts "Power is #{gamma * epsilon}"
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