#include <iostream>

using namespace std;

class A {
 public :
     A(void) {}
    ~A(void) { cout << "~A" << endl; }  // Pas virtual !
 int f(void) { return 'A'; }            // Code 'A' : 65
};

class B : public A {
 public :
     B(void) {}
    ~B(void) { cout << "~B" << endl; } // Pas virtual !
 int f(void) { return 'B'; }           // Code 'B' : 66
};

int main(void)
{
 A* pa;

 pa = new A;
 cout << pa->f() << endl;
 delete pa;

 pa = new B;
 cout << pa->f() << endl;
 delete pa;

 return 0;
}