有以下类,完成特殊成员函数  
class Person {  
string name;  
int *age;  
}  
class Stu:public Person  
{  
const double score;  
}  
#include <iostream>  
#include <string>  
using namespace std;
class Person {   
    string name;  
    int *age ;
public:  
    // 无参构造函数  
    Person() : name(""), age(nullptr) {}  
  
    // 有参构造函数  
    Person(string name,int age):name(name), age(new int(age)){}  
  
    // 析构函数  
    ~Person() {  
        delete age;  
    }  
  
    // 拷贝构造函数  
    Person(const Person& other):name(other.name), age(new int(*other.age)) {}  
  
    // 拷贝赋值函数  
    Person  &operator=(const Person& other) {  
        if (this != &other) {  
            name = other.name;  
            int* newAge = new int(*other.age);  
            delete age;  
            age = newAge;  
        }  
        return *this;  
    }  
};  
  
class Stu: public Person { 
private:  
    const double score; 
public:  
   
    Stu(string name, int age, double score):Person(name, age), score(score) {}  
    ~Stu(){}
    Stu(const Person &other):Person(other),score(score){}
    Stu &operator=(const Person &other)
    {
        if(this!=&other)
        {
            Person::operator=(other);
            
        }
        return *this;
    }
 
};  
int main() {   
    Person person1("Alice", 25);  
    Person person2 = person1; // 拷贝构造函数被调用  
    person1 = person2; // 拷贝赋值函数被调用  
  
    Stu stu1("Bob", 30, 85.5);  
    return 0;  
}
 
 尝试写:定义一个全局变量int monster = 10000;定义一个英雄类Hero,受保护的属性,string name,int hp,int attck,写一个无参构造、有参构造,类中有虚函数:void Atk(){monster-=0;};法师类,公有继承自英雄类,私有属性:int ap_ack;写有参,重写父类中的虚函数,射手类,公有继承自英雄类,私有属性:int ad_ack;写有参构造,重写父类中的虚函数,主函数内完成调用,判断怪物何时被杀死。  
 
 
 
 
#include <iostream>
using namespace std;
int monster = 10000;
class Hero
{
protected:
    string name;
    int hp;
    int attck;
public:
    Hero(){}
    Hero(string name,int hp,int attck):name(name),hp(hp),attck(attck)
    {cout << "H的有参构造" << endl;}
    virtual void Atk()
    {
        monster-=0;
    }
};
class Master:public Hero
{
    int ap_atk=50;
public:
    Master(){}
    Master(string name,int hp,int attck,int ap_atk):Hero(name,hp,attck),ap_atk(ap_atk)
    {cout << "Master的有参构造" << endl;}
    void Atk()
    {
        monster-=(attck+ap_atk);
    }
};
class Shooter:public Hero
{
    int ac_atk=100;
public:
    Shooter(){}
    Shooter(string name,int hp,int attck):Hero(name,hp,attck)
    {cout << "Shooter的有参构造" << endl;}
    void Atk()  //对父类虚函数的重写
    {
        monster-=(attck+ac_atk);
    }
};
int main()
{
    Master m1("妲己",3000,100,90);
    Shooter s1("小鲁班",3500,120);
    Hero *p1 = &m1,*p2 = &s1;
    int i = 0;
    while(monster>0)
    {
        p1->Atk();
        i++;
        if(monster>0)
        {
            p2->Atk();
            i++;
        }
//        m1.Atk();
//        s1.Atk();
    }
    cout << i << endl;
    return 0;
}