Getting wrong ans

#1

Please check the code getting wrong ans
ide is https://ide.codingblocks.com/s/230812

#2

@souravmunjal2000 while applying mod in subtraction operation
use
(a%m-b%m+m)%m

#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.