What is pass by reference and returned by reference(in a function…

Question Answered step-by-step What is pass by reference and returned by reference(in a function… What is pass by reference and returned by reference(in a function call) the function hello() returned by reference but what does returned by reference actually mean?  #include using namespace std; int z = 20; int& hello(){    return z;} int main(){   hello() = 440;   cout << z << endl;} Computer Science Engineering & Technology C++ Programming CSCI 251 Share QuestionEmailCopy link Comments (0)