35 lines
779 B
Ruby
35 lines
779 B
Ruby
#!/bin/env ruby
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require 'pry'
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def pw_checks(password)
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return false if password =~ /i|o|l/
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return false unless find_pairs(password)
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return false unless find_straights(password)
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true
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end
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def find_pairs(password)
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password.scan(/([a-z])\1/).uniq.count >= 2
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end
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def find_straights(password)
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$straights.map { |straight| password.include?(straight) }.include?(true)
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end
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$straights = ['a']
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25.times { $straights.push($straights[-1].next) }
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$straights.map! { |char| char << char.next + char.next.next }
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$straights.pop(2)
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$straights.freeze
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password = File.read('./input').chomp.next
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password.next! until pw_checks(password) == true
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puts "Part 1 Solution: #{password}"
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password.next!
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password.next! until pw_checks(password) == true
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puts "Part 2 Solution: #{password}"
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