#include <iostream>
using namespace std;

int main()
{
  void print_array(int* x, int length);
  int x[3] = {2, 4, 8};
  print_array(x, 3);
  return 0;
}

void print_array(int* x, int length)
{
  cout << "Printing array:" << endl;
  for (int i=0; i<length; i++) {
    cout << *x++ << " ";
  }
  cout << endl;
}