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有道云笔记

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#include <iostream>using namespace std;class person {
private:int *age;string &name;
public:person(int age,string name):age(new int(age)),name(name){}~person(){delete age;}person(const person &other):age(new int(*(other.age))),name(name){}person &operator=(const person &other){*(this->age)=*(other.age);this->name=other.name;return *this;}int get_age(){return *age;}string &get_name(){return name;}
};class   stu{
private:double *score;person per;
public:stu(double score,int age,string name):score(new double(score)),per(age,name){}~stu(){delete score;}stu(const stu &other):score(new double(*(other.score))),per(18,"kfc"){}stu &operator=(const stu &other){*(this->score)=*(other.score);this->per=other.per;return *this;}void show(){cout << "age:" << per.get_age() << endl;cout << "name:" << per.get_name() << endl;cout << "score=" << *score << endl;}
};
int main()
{stu s1(99,18,"kfc");s1.show();stu s2(100,17,"lll");s1=s2;s1.show();return 0;
}