Contents

object PythagoreanTriplet {
  private def sqr(x: Int) = x * x

  private def sort(triplet: (Int, Int, Int)): (Int, Int, Int) =
    triplet match {
      case (a, b, c) if b < a => sort((b, a, c))
      case (a, b, c) if c < b => sort((a, c, b))
      case (a, b, c) => triplet
    }

  def isPythagorean(triplet: (Int, Int, Int)): Boolean = {
    val (a, b, c) = sort(triplet)
    sqr(a) + sqr(b) == sqr(c)
  }

  def pythagoreanTriplets(minFactor: Int, maxFactor:Int): Seq[(Int, Int, Int)] =
    for {a <- minFactor to maxFactor
         b <- a to maxFactor
         c2 = sqr(a) + sqr(b)
         c = Math.sqrt(c2).asInstanceOf[Int]
         if c <= maxFactor && c2 == sqr(c)} yield (a, b, c)
}

Version data entries

396 entries across 396 versions & 1 rubygems

Version	Path
trackler-2.2.1.98	tracks/scala/exercises/pythagorean-triplet/example.scala
trackler-2.2.1.97	tracks/scala/exercises/pythagorean-triplet/example.scala
trackler-2.2.1.96	tracks/scala/exercises/pythagorean-triplet/example.scala
trackler-2.2.1.95	tracks/scala/exercises/pythagorean-triplet/example.scala
trackler-2.2.1.94	tracks/scala/exercises/pythagorean-triplet/example.scala
trackler-2.2.1.93	tracks/scala/exercises/pythagorean-triplet/example.scala
trackler-2.2.1.92	tracks/scala/exercises/pythagorean-triplet/example.scala
trackler-2.2.1.91	tracks/scala/exercises/pythagorean-triplet/example.scala
trackler-2.2.1.90	tracks/scala/exercises/pythagorean-triplet/example.scala
trackler-2.2.1.89	tracks/scala/exercises/pythagorean-triplet/example.scala
trackler-2.2.1.88	tracks/scala/exercises/pythagorean-triplet/example.scala
trackler-2.2.1.87	tracks/scala/exercises/pythagorean-triplet/example.scala
trackler-2.2.1.86	tracks/scala/exercises/pythagorean-triplet/example.scala
trackler-2.2.1.85	tracks/scala/exercises/pythagorean-triplet/example.scala
trackler-2.2.1.84	tracks/scala/exercises/pythagorean-triplet/example.scala
trackler-2.2.1.83	tracks/scala/exercises/pythagorean-triplet/example.scala
trackler-2.2.1.82	tracks/scala/exercises/pythagorean-triplet/example.scala
trackler-2.2.1.81	tracks/scala/exercises/pythagorean-triplet/example.scala
trackler-2.2.1.80	tracks/scala/exercises/pythagorean-triplet/example.scala
trackler-2.2.1.79	tracks/scala/exercises/pythagorean-triplet/example.scala