10 lines
267 B
Ruby
10 lines
267 B
Ruby
input = File.readlines('./input')
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a = input.map do |pwl|
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matches = pwl.match /(?<start>\d+)-(?<end>\d+) (?<char>\w): (?<pw>\w+)/
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matches[:pw].chars.values_at(matches[:start].to_i-1, matches[:end].to_i-1).count(matches[:char])
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end
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puts a.inspect
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puts a.count(1)
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