c++创建类

/*
作者：程序袁欢
功能：创建继承类*/
#include<iostream>
using namespace std;
class People
{
public:
    void setname(const char* name);
    const char *getname();
    void setage(int age);
    int getage();
private:
    const char* m_name;
    int m_age;
};
//名字函数定义
void People::setname(const char* name)
{
     m_name = name;
}
//年龄函数定义
void People::setage(int age)
{
    m_age = age;
}
//得到名字函数
const char*  People::getname()
{
    return m_name;
}
//得到年龄函数
int People:: getage()
{
    return m_age;
}
class Student :public People
{
public:
    void setscore(float score);
    float getscore();
private:
    float m_score;

};
//设置分数函数定义
void Student::setscore(float score)
{
    m_score = score;
}
//得到分数定义
float Student:: getscore()
{
    return m_score;
}
int main()
{
    //在栈上创建对象
    Student stu;
    stu.setname("xiaomei");
    stu.setage(20);
    stu.setscore(28.0);
    cout << "用户名：" << stu.getname() << endl;
    cout << "年龄" << stu.getage() << endl;
    cout << "分数" << stu.getscore() << endl;
    return 0;
}