[2020][ruby][2.x]

master
Alpha Chen 4 years ago
parent 25d32aa998
commit a9f664f3f3

@ -1,4 +1,5 @@
p ARGF.read.scan(/(\d+)-(\d+)\s*(\w):\s*(\w+)/) day1 = proc {|min,max,char,pass| (min..max).cover?(pass.count(char)) }
day2 = proc {|p1,p2,char,pass| [pass[p1-1], pass[p2-1]].count(char) == 1 }
puts ARGF.read.scan(/^(\d+)-(\d+)\s*(\w):\s*(\w+)$/)
.map {|a,b,c,d| [a.to_i, b.to_i, c, d] } .map {|a,b,c,d| [a.to_i, b.to_i, c, d] }
# .count {|min,max,char,pass| (min..max).cover?(pass.count(char)) } .count(&day2)
.count {|p1,p2,char,pass| [pass[p1-1], pass[p2-1]].tally[char] == 1 }

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