Skip to content
Related Articles

Related Articles

C++ | References | Question 5

View Discussion
Improve Article
Save Article
  • Difficulty Level : Hard
  • Last Updated : 22 Sep, 2017

using namespace std;
int &fun()
    int x = 10;
    return x;
int main()
    fun() = 30;
    cout << fun();
    return 0;

(A) May cause runtime error
(B) May cause compiler error
(C) Always works fine.
(D) 0

Answer: (A)

Explanation: Since we return reference to a local variable, the memory location becomes invalid after function call is over. Hence it may result in segmentation fault runtime error.

Quiz of this Question

My Personal Notes arrow_drop_up
Recommended Articles
Page :

Start Your Coding Journey Now!