Error in the code

#1
#2

sir one of the test case is giving TLE

#3

hello @learninggood

optimise ur code.
put all the prime number upto 10^6 in vector and then use that vector to answer each query in O(1).

check this->

#4

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.