Project Euler: Problem 15

Euler0015.scala

package euler.zerosum

object Euler0015 {

  def main(args: Array[String]) {
    val width = args(0).toInt
    val height = args(1).toInt

    val numer = width + 1 to width + height
    val denom = 1 to height
    println(
      numer.map(scala.math.BigInt(_)).product / denom.map(scala.math.BigInt(_)).product
    )
  }
}