题解 | 友元类
#include<bits/stdc++.h>
using namespace std;
class phone{
// write your code here......
friend class myphone;
private:
int price;
public:
phone(int x){
price=x;
}
};
class myphone{
private:
phone a;
public:
myphone(int x):a(x){
}
int getprice(){
return a.price;
}
};
int main(){
int p;
cin>>p;
myphone a(p);
cout<<a.getprice();
return 0;
}
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