#include
class Base
{public:
Base(int x,int y)
{a=x;b=y;}
virtual void Show(){cout<<"Base:"<
private:
int a,b;
};
class Derived:public Base
{public
Derived(int x,int y,int z):Base(x,y),c(z){}
void Show(){Base::show();cout<<"Derived:"< private: int c; }; void main() {Base b(10,20); Base *ref=&b Derived d(30,60,90); ref->Show() cout< ref=&d; ref->show(); }
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