operator =

#include <iostream>using namespace std;class num{public:num(){n=new int;}num(int i){n=new int;*n=i;}~num(){delete n;n=0;}int get()const{return *n;}int set(int x){*n=x;}const num &operator=(const num&r){if(this==&r)return *this;*n=r.get();return *this;}private:int *n;};int main(){return 0;}