CPP

return by reference in cpp

int &returnValue(int& x){
	cout<<"x="<<x<<"The address of x is "<<&x<<endl;
	return x;
}
int main(){
	int a=20;
	int &b=returnValue(a);
	cout<<"a="<<a<<"The address of a is "<<&a<<endl;
	cout<<"b="<<b<<"The address of b is "<<&b<<endl;
	returnValue(a)=13;
	cout<<"a="<<a<<"The address of a is "<<&a<<endl;
    return 0;
}