1-37.c

function(int n) {
    if(n <= 1) return;
    for (int i = 1 ; i <= 3; i++) {
        printf("i: %d\n", i);
        function(3/n);
    }
}

main() {
    function(2);
}

1-37.scala

object one37 {
  def function(n: Int): Int = {
    for(i <- 1 to 3) {
      n match {
        case n if n <= 1 => 0
        case n => {
          function(3/n)
          println(s"i: $i")
        }
      }
    }
    0
  }

  def main(args: Array[String]) {
    function(3)
  }
}