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-2.0.8.44	tracks/scala/exercises/perfect-numbers/example.scala
trackler-2.0.8.43	tracks/scala/exercises/perfect-numbers/example.scala
trackler-2.0.8.42	tracks/scala/exercises/perfect-numbers/example.scala
trackler-2.0.8.41	tracks/scala/exercises/perfect-numbers/example.scala
trackler-2.0.8.40	tracks/scala/exercises/perfect-numbers/example.scala
trackler-2.0.8.39	tracks/scala/exercises/perfect-numbers/example.scala
trackler-2.0.8.38	tracks/scala/exercises/perfect-numbers/example.scala
trackler-2.0.8.37	tracks/scala/exercises/perfect-numbers/example.scala
trackler-2.0.8.36	tracks/scala/exercises/perfect-numbers/example.scala
trackler-2.0.8.35	tracks/scala/exercises/perfect-numbers/example.scala
trackler-2.0.8.34	tracks/scala/exercises/perfect-numbers/example.scala
trackler-2.0.8.33	tracks/scala/exercises/perfect-numbers/example.scala
trackler-2.0.8.32	tracks/scala/exercises/perfect-numbers/example.scala
trackler-2.0.8.31	tracks/scala/exercises/perfect-numbers/example.scala
trackler-2.0.8.30	tracks/scala/exercises/perfect-numbers/example.scala
trackler-2.0.8.29	tracks/scala/exercises/perfect-numbers/example.scala
trackler-2.0.8.28	tracks/scala/exercises/perfect-numbers/example.scala
trackler-2.0.8.27	tracks/scala/exercises/perfect-numbers/example.scala
trackler-2.0.8.26	tracks/scala/exercises/perfect-numbers/example.scala
trackler-2.0.8.24	tracks/scala/exercises/perfect-numbers/example.scala