euler 4번 풀이

Euler4.scala

class Euler4 {
  def findMaxPalindrome():Int = {
    for (i <- (1 to 9).reverse; j <- (0 to 9).reverse; k <- (0 to 9).reverse) {
      val num = 100001 * i + 10010 * j + 1100 * k
      for (k <- (100 to Math.sqrt(num).toInt).reverse if num % k == 0 && num / k < 1000) {
        return num
      }
    }
    return 0
  }
}

object Euler4 extends App {
  println(new Euler4().findMaxPalindrome())
}