#include <iostream>using namespace std;//基类Peopleclass People{public:People(char *name, int age);void display();protected:char *m_name;int m_age;};People::People(char *name, int age): m_name(name), m_age(age){}void People::display(){cout<<m_name<<"今年"<<m_age<<"岁了，是个无业游民。"<<endl;}//派生类Teacherclass Teacher: public People{public:Teacher(char *name, int age, int salary);void display();private:int m_salary;};Teacher::Teacher(char *name, int age, int salary): People(name, age), m_salary(salary){}void Teacher::display(){cout<<m_name<<"今年"<<m_age<<"岁了，是一名教师，每月有"<<m_salary<<"元的收入。"<<endl;}int main(){People *p = new People("王志刚", 23);p -&