Question

c++问题求解答

完整程序

Answer 1

#include <iostream>

using namespace std;

class Animal{

protected:
int age;
};

class dog:public Animal{

public:

void SetAge(int n)
{
age = n;
}

int GetAge()
{
return age;
}
};

int main()
{
dog d;
d.SetAge(1);
cout << d.GetAge() << endl;
return 0;
}

复制过来后格式没了，自己搞一下吧