Project Euler Problem 9

gistfile1.scala

/**
 * Project Euler Problem 9
 */
object P9 {
  def isPythagorasNumber(a:Int, b:Int, c:Int):Boolean = a < b && b < c && BigInt(a).pow(2) + BigInt(b).pow(2) == BigInt(c).pow(2)

	def answer = {
		val list = for (i <- 1 to 333; j <- (i + 1) to 500; k <- (j + 1) to 1000; if((i + j + k) == 1000 && isPythagorasNumber(i, j, k))) yield (i, j, k)
		val ans = list(0)
		ans._1 * ans._2 * ans._3
	}

}