24 lines
423 B
Ruby
24 lines
423 B
Ruby
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input = STDIN.read.chomp
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columns = input
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.split("\n")
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.map{ |line| line.split("") }
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.transpose
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part_1 = columns.map do |column|
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column
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.group_by(&:itself)
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.sort_by { |k, v| v.count }
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.last[0]
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end.join
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puts "Part 1: #{part_1}"
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part_2 = columns.map do |column|
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column
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.group_by(&:itself)
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.sort_by { |k, v| v.count }
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.first[0]
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end.join
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puts "Part 2: #{part_2}"
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