Is Using cout << endl; Before return 0; Always Necessary in C++?

#1

Is it necessary to always use cout << endl; before the return 0; statement?

#2

No, it’s not necessary but we use cout<<endl when there are multiple testcases

#3

I hope I’ve cleared your doubt. I ask you to please rate your experience here
Your feedback is very important. It helps us improve our platform and hence provide you
the learning experience you deserve.

On the off chance, you still have some questions or not find the answers satisfactory, you may reopen
the doubt.