Bit manipulation rangeb between i and j

#1

if i code a =(-1<<j+1), it giving wrong ans but if we code it as (~0<<(j+1)) its giving me the correct ans

#2

hi @sp5513
can u explain what doubt are u exactly facing??
both (-1<<j+1) and (~0<<(j+1)) are different…

#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.