#include <iostream>
using namespace std;

/**
 * This program shows how passing pointers by value works similarly to pass by reference.
 */

int foo(int *x);

int main()
{
  int *x = new int(1);
  cout << "Before: " << *x << endl;
  foo(x);
  cout << "After: " << *x << endl;
  
}

int foo(int *x)
{
  *x = 10;
}