Prefix sum array

#1

sir can you tell me the whole procedure of prefix sum array

#2

@singh.pankhil40 prefix sum of an index is the sum of all the elements upto that element.
prefix[i] = arr[i] + prefix[i-1]

#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.