![c++虚函数调用及使用 c++虚函数调用及使用](https://image.shishitao.com:8440/aHR0cHM6Ly9ia3FzaW1nLmlrYWZhbi5jb20vdXBsb2FkL2NoYXRncHQtcy5wbmc%2FIQ%3D%3D.png?!?w=700&webp=1)
#include <iostream>
using namespace std;
class A
{
public:
virtual int print()=;
};
class B: public A
{
public:
virtual int get()=;
virtual int print()
{
cout<<get()<<endl;
}
};
class C: public B
{
public:
int get()
{
return ;
}
};
int func(A* a)
{
a->print();
}
int main()
{
C c;
func(&c);
return ;
}