Code not compiling

My code is not building, please help in finding the error

Hi @goyalvivek
there was just a small mistake in ur code at line 37…
here u have written cin>>d1,d2;
while it should be cin>>d1>>d2;

corrected code–>

got it, thanks, what abt the unlock one?

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.