gistfile1.scala

package proj_euler

/*
 * If we list all the natural numbers below 10 that are multiples of 3 or 5,
 *  we get 3, 5, 6 and 9. The sum of these multiples is 23.
 *  Find the sum of all the multiples of 3 or 5 below 1000.
 */

/*
 * 
 *  Usage:
 *  >> println(Problem1.Problem1.solve())
 *  233168
 *  
 */

object Problem1 {
    
  def solve() : Int = {
      return (1 until 1001).filter(num => (((num % 3) == 0) || ((num % 5) == 0))).sum
  }
}