//exemple utilisant des referances 
#include <iostream>

using namespace std;

int main() {
  int n = 33;
  int &r = n;   //r est une reference a n
  cout << "Valeurs de n et r : " << n << "   " << r << endl;    //memes valeurs
  --n;
  cout << "Apres operation sur n : " << n << "   " << r << endl;
  r *= 2;
  cout << "Apres operation sur r : " << n << "   " << r << endl;
  cout << "Adresse memoire de n et r : " << &n << "   " << &r << endl;    //adresse memoire de n et r

  return 0;
}