Listing 1

swap = 1;
while (swap == 1) {
  swap = 0;
  for (i = 0; i < n - 1; i++) {
    if (x[i] > x[i + 1]) {
      tmp= x[i];
      x[i] = x[i + 1];
      x[i + 1] = tmp;
      swap = 1;
    }
  }
}