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- import scala.io.Source
- object DaySeven extends App {
- val input = Source.fromFile("C:/work/advent06/input7").getLines.toList
- val message = input.transpose.map(
- chars => chars.groupBy(c => chars.count(_ == c)).toList.sortBy(_._1).head._2.head
- ).mkString
- println(message)
- }
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