Created
March 12, 2020 14:05
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find words with same rotation
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| def normalize(s: String) = (s + s).sliding(s.length).max | |
| val words = scala.io.Source.fromFile("enable1.txt").getLines.toVector | |
| val groupOfFour = words.toList.groupBy(normalize).filter(_._2.length == 4) | |
| println(groupOfFour) |
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