You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
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p ARGF.read.scan(/(\d+)-(\d+)\s*(\w):\s*(\w+)/)
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.map {|a,b,c,d| [a.to_i, b.to_i, c, d] }
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# .count {|min,max,char,pass| (min..max).cover?(pass.count(char)) }
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.count {|p1,p2,char,pass| [pass[p1-1], pass[p2-1]].tally[char] == 1 }
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