C语言之简单的派生类的构造函数

#include <iostream>


using namespace std;


class Student
{
public:
Student(int n,string nam)
{
num=n;
name=nam;
}
protected:
int num;
string name;
};


class Student1:public Student
{
public:
Student1(int n,string nam,string s,double sco):Student(n,nam)
{
sex=s;
score=sco;
}
void display()
{
cout<<"num:"<<num<<endl;
cout<<"name:"<<name<<endl; 
cout<<"sex:"<<sex<<endl;
cout<<"score:"<<score<<endl;
}
private:
string sex;
double score;
};


int main()
{
Student1 stud(101,"WANG","F",99.9);
stud.display();

return 0;
}