Sir pls tell error in code for structurally identical binary tree

code link is

Hi Tanna
you haven’t applied any logic for finding structurally identical trees(exist or not)
or you want some other help regarding the logic or buildtree function

i will appply that too.but even this part of code is not giving any output pls find the error

what is problem in this code ,i am unable to find it and now iam really tired and frustrated pls help

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.