9 lines
268 B
Ruby
9 lines
268 B
Ruby
array = STDIN.read.chomp.split("").map(&:to_i)
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part_1 = array.zip(array.rotate).select { |a, b| a == b }.map(&:first).sum
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puts "Part 1: #{part_1}"
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part_2 = array.zip(array.rotate(array.length / 2)).select { |a, b| a == b }.map(&:first).sum
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puts "Part 2: #{part_2}"
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