Find the error in the code

Code link:

Hi,
The size of hashstr and hashpat must be 256 considering 256 characters in dictionary.
Now, try to solve the problem.

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.