素数のときにJoJo

gistfile1.scala

object jojo extends App {

  def isPrime(n: Int) = {
    if (n < 2) {
      false
    } else {
      (2 to n - 1).exists(n % _ == 0) == false
    }
  }

  0 to 100 map {i =>
    if (isPrime(i)) {
      "JoJo"
    } else {
      i
    }
  } foreach println

}