The max number of set bits

Should be floor(log(n))+1 right? But here sir says its log(n)

for n= 2,4,8,16 log(n) is correct
for other numbers log(n)+1 is correct

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.