Contents

case class Matrix(values: List[List[Int]]) {
  lazy val saddlePoints: Set[(Int, Int)] = {
    val rowMaxes = values.map(_.max).toVector
    val columns = values.transpose
    val colMins = columns.map(_.min).toVector
    (for {
      i <- 0 until values.length
      j <- 0 until columns.length
      if rowMaxes(i) == colMins(j)
    } yield (i, j)).toSet
  }
}

Version data entries

257 entries across 257 versions & 1 rubygems

Version	Path
trackler-2.2.1.39	tracks/scala/exercises/saddle-points/example.scala
trackler-2.2.1.38	tracks/scala/exercises/saddle-points/example.scala
trackler-2.2.1.37	tracks/scala/exercises/saddle-points/example.scala
trackler-2.2.1.36	tracks/scala/exercises/saddle-points/example.scala
trackler-2.2.1.35	tracks/scala/exercises/saddle-points/example.scala
trackler-2.2.1.34	tracks/scala/exercises/saddle-points/example.scala
trackler-2.2.1.33	tracks/scala/exercises/saddle-points/example.scala
trackler-2.2.1.32	tracks/scala/exercises/saddle-points/example.scala
trackler-2.2.1.31	tracks/scala/exercises/saddle-points/example.scala
trackler-2.2.1.30	tracks/scala/exercises/saddle-points/example.scala
trackler-2.2.1.29	tracks/scala/exercises/saddle-points/example.scala
trackler-2.2.1.28	tracks/scala/exercises/saddle-points/example.scala
trackler-2.2.1.27	tracks/scala/exercises/saddle-points/example.scala
trackler-2.2.1.26	tracks/scala/exercises/saddle-points/example.scala
trackler-2.2.1.25	tracks/scala/exercises/saddle-points/example.scala
trackler-2.2.1.24	tracks/scala/exercises/saddle-points/example.scala
trackler-2.2.1.23	tracks/scala/exercises/saddle-points/example.scala
trackler-2.2.1.22	tracks/scala/exercises/saddle-points/example.scala
trackler-2.2.1.21	tracks/scala/exercises/saddle-points/example.scala
trackler-2.2.1.20	tracks/scala/exercises/saddle-points/example.scala