C++实践参考——是春哥啊

【项目 - 是春哥啊】

请在下面程序的横线处填上适当内容，以使程序完整，并使程序的输出为：
Name: 春哥
Grade: 19

#include <iostream>
#include <cstring>
using namespace std;
class Person{
public:
    Person(char* s){
        strcpy(name,s);
    }
    void display( ){
        cout<<"Name: "<<name<<endl;
    }
private:
    char name [20];
};
class Student: ___________//(1)
{
public:
    Student(char* s, int g):__________ // (2)
    {grade=g;}
    void display1( ) {
        _________;   //  (3)
        cout<<"Grade: "<<grade<<endl;
    }
private:
    int grade;
};
int main( )
{
    Student s("春哥",19);
    ___________;       //  (4)
    return 0;
}

(1) public Person
(2)Person(s)
(3)display()
(4)s.display1( )