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  1. d,s=STDIN.read.split("\n")
  2. l = s.size
  3. puts s.scan(/.{,#{d.split.map{|c|(0..l-2).map{|n|n if /^.{,#{n}}(#{c+?.*n})*.{,#{n-1}}$/=~s}}.reduce(&:&).compact.min+1}}/)
Success #stdin #stdout 0.47s 9504KB
comments (?)
stdin
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a C
WAtcIaElCpVqDRavOUejlgumcRCpfIWlaRFZpIoPYsWjsBSdlYfitfAPHpemiLpjaHheUGpFVQoZCnSCFgvpVzcoibdffoPRoJJwLIjVicPCdcvITXaQDjtMgrxQMZCkZNFmNqwGQYaSyPpdLOkAVHGVoVBiIksZCQHEaIxcRGwpIAmlChuhGEDajeJVXoCwFFuIvhEoqMuwrCDmZPcQxeaqJjynGWVjSaCCxWfupDbbEEFufDyealmbLxKfwlWCsSXwpPtuayxNVCodeEjeCIeHBYioeTogujuUFlWydOwInWGbsvlSwlwgfQaAmNTWPjsgqSCGzsJYfqGklpeLujFyrZJmNymUzpXLTkZcyPgPakAXTTfKlnnTCkjxxSZltwnLMOUCxlHOtLIUTqcbejXqyrwQgMaPUKcHBDZwMrCgwfVZUzxbdODBbBqEbpFLUOcPpVmsgLnfMXRWaddGnK
stdout
copy 
WAtcIaElCpVqDRavOUejlgumcRCpfIWlaRFZpIoPYsWjsBSdlY
fitfAPHpemiLpjaHheUGpFVQoZCnSCFgvpVzcoibdffoPRoJJw
LIjVicPCdcvITXaQDjtMgrxQMZCkZNFmNqwGQYaSyPpdLOkAVH
GVoVBiIksZCQHEaIxcRGwpIAmlChuhGEDajeJVXoCwFFuIvhEo
qMuwrCDmZPcQxeaqJjynGWVjSaCCxWfupDbbEEFufDyealmbLx
KfwlWCsSXwpPtuayxNVCodeEjeCIeHBYioeTogujuUFlWydOwI
nWGbsvlSwlwgfQaAmNTWPjsgqSCGzsJYfqGklpeLujFyrZJmNy
mUzpXLTkZcyPgPakAXTTfKlnnTCkjxxSZltwnLMOUCxlHOtLIU
TqcbejXqyrwQgMaPUKcHBDZwMrCgwfVZUzxbdODBbBqEbpFLUO
cPpVmsgLnfMXRWaddGnK
https://ideone.com/STfyrk
language:
Ruby (ruby 2.5.5)
created:
10 years ago
visibility:
secret

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