#include <iostream>

class Base1 {
public:
    void imprimir(){ std::cout << "Base1\n";}
};

class Base2 {
public:
    virtual void imprimir(){ std::cout << "Base2\n";}
};

class Derivada1 : public Base1 {
public:
    void imprimir(){ std::cout << "Derivada1\n";}
};

class Derivada2 : public Base2 {
public:
    void imprimir(){ std::cout << "Derivada2\n";}
};

int main(){
    Derivada1 d1;
    d1.imprimir();
    Derivada2 d2;
    d2.imprimir();
    Base1* pb1 = &d1;
    pb1->imprimir();
    Base2* pb2 = &d2;
    pb2->imprimir();
    return 0;
}


/*
Salida:
Derivada1
Derivada2
Base1
Derivada2
*/