Contents

import NumberType.NumberType

object PerfectNumbers {
  def classify(n: Int): NumberType = {
    val sumOfFactors
    = (1 until n)
      .foldLeft(0)((acc, i) => if (n % i == 0) acc + i else acc)

    if (sumOfFactors < n)
      NumberType.Deficient
    else if (sumOfFactors > n)
      NumberType.Abundant
    else
      NumberType.Perfect
  }
}

object NumberType extends Enumeration {
  type NumberType = Value

  val Perfect = Value("Perfect")
  val Abundant = Value("Abundant")
  val Deficient = Value("Deficient")
}

Version data entries

82 entries across 82 versions & 1 rubygems

Version	Path
trackler-2.1.0.8	tracks/scala/exercises/perfect-numbers/example.scala
trackler-2.1.0.7	tracks/scala/exercises/perfect-numbers/example.scala
trackler-2.1.0.6	tracks/scala/exercises/perfect-numbers/example.scala
trackler-2.1.0.5	tracks/scala/exercises/perfect-numbers/example.scala
trackler-2.1.0.4	tracks/scala/exercises/perfect-numbers/example.scala
trackler-2.1.0.3	tracks/scala/exercises/perfect-numbers/example.scala
trackler-2.1.0.2	tracks/scala/exercises/perfect-numbers/example.scala
trackler-2.1.0.1	tracks/scala/exercises/perfect-numbers/example.scala
trackler-2.1.0.0	tracks/scala/exercises/perfect-numbers/example.scala
trackler-2.0.8.55	tracks/scala/exercises/perfect-numbers/example.scala
trackler-2.0.8.54	tracks/scala/exercises/perfect-numbers/example.scala
trackler-2.0.8.53	tracks/scala/exercises/perfect-numbers/example.scala
trackler-2.0.8.52	tracks/scala/exercises/perfect-numbers/example.scala
trackler-2.0.8.51	tracks/scala/exercises/perfect-numbers/example.scala
trackler-2.0.8.50	tracks/scala/exercises/perfect-numbers/example.scala
trackler-2.0.8.49	tracks/scala/exercises/perfect-numbers/example.scala
trackler-2.0.8.48	tracks/scala/exercises/perfect-numbers/example.scala
trackler-2.0.8.47	tracks/scala/exercises/perfect-numbers/example.scala
trackler-2.0.8.46	tracks/scala/exercises/perfect-numbers/example.scala
trackler-2.0.8.45	tracks/scala/exercises/perfect-numbers/example.scala