#include <iostream>
using namespace std;
 
class Animal
{
public:
    virtual void Cry()
    {
        std::cout << "Animal Cry" << std::endl;
    }
};
 
class Dog : public Animal
{
public:
    // 함수 오버라이드(override)
    virtual void Cry() // virtual, override를 제거해도 빌드 되지만 실수 방지용
    {
        std::cout << "Dog Cry" << std::endl;
    }
};
int main()
{
    Animal a; a.Cry();
    Dog d; d.Cry();
 
    Animal* p = &d;
    p->Cry();
}

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