#include<iostream>
using namespace std;
int& add2(int a , int b)
{
int c = a+b;
return c;
}
int main()
{
int& ret = add2(1,2);
/*add2(3,4);*/
cout << "ni hao "<< endl;
cout << ret << endl;
return 0;
}
#include<iostream>
using namespace std;
int& add2(int a , int b)
{
int c = a+b;
return c;
}
int main()
{
int& ret = add2(1,2);
/*add2(3,4);*/
cout << ret << endl;
cout << "ni hao "<< endl;
return 0;
}