Contents

import scala.math.pow

object DifferenceOfSquares {

  def sumOfSquares(n: Int): Int = n * (n + 1) * (2 * n + 1) / 6

  def squareOfSum(n: Int): Int = pow((n * (n + 1) / 2), 2).toInt

  def differenceOfSquares(n: Int): Int = squareOfSum(n) - sumOfSquares(n)
}

Version data entries

213 entries across 213 versions & 1 rubygems

Version	Path
trackler-2.2.1.180	tracks/scala/exercises/difference-of-squares/example.scala
trackler-2.2.1.179	tracks/scala/exercises/difference-of-squares/example.scala
trackler-2.2.1.178	tracks/scala/exercises/difference-of-squares/example.scala
trackler-2.2.1.177	tracks/scala/exercises/difference-of-squares/example.scala
trackler-2.2.1.176	tracks/scala/exercises/difference-of-squares/example.scala
trackler-2.2.1.175	tracks/scala/exercises/difference-of-squares/example.scala
trackler-2.2.1.174	tracks/scala/exercises/difference-of-squares/example.scala
trackler-2.2.1.173	tracks/scala/exercises/difference-of-squares/example.scala
trackler-2.2.1.172	tracks/scala/exercises/difference-of-squares/example.scala
trackler-2.2.1.171	tracks/scala/exercises/difference-of-squares/example.scala
trackler-2.2.1.170	tracks/scala/exercises/difference-of-squares/example.scala
trackler-2.2.1.169	tracks/scala/exercises/difference-of-squares/example.scala
trackler-2.2.1.167	tracks/scala/exercises/difference-of-squares/example.scala
trackler-2.2.1.166	tracks/scala/exercises/difference-of-squares/example.scala
trackler-2.2.1.165	tracks/scala/exercises/difference-of-squares/example.scala
trackler-2.2.1.164	tracks/scala/exercises/difference-of-squares/example.scala
trackler-2.2.1.163	tracks/scala/exercises/difference-of-squares/example.scala
trackler-2.2.1.162	tracks/scala/exercises/difference-of-squares/example.scala
trackler-2.2.1.161	tracks/scala/exercises/difference-of-squares/example.scala
trackler-2.2.1.160	tracks/scala/exercises/difference-of-squares/example.scala