Binary Tree Preorder Build and Print

This code is giving this error
/bin/ line 4: 18 Segmentation fault (core dumped) ./exe
Kindly explain the cause of error.

hi… ur code is working perfectly fine

ig u were giving some wrong input

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.