18 lines
419 B
Ruby
18 lines
419 B
Ruby
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input = File.readlines("input.txt")
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part1 = 0
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part2 = 0
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for line in input do
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policy, password = line.split(': ')
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counts, character = policy.split(' ')
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n1, n2 = counts.split('-').map(&:to_i)
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if password.count(character) >= n1 && password.count(character) <= n2
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part1 += 1
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end
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if (password[n1-1] == character) ^ (password[n2-1] == character)
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part2 += 1
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end
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end
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puts "Part 1: #{part1}"
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puts "Part 2: #{part2}"
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