Wrong answers in sum it up

@Anupreet9
The problem cannot be solved without backtracking as without backtracking how would you generate the subsequences of an array.
First try to learn how to find subsequences of an Array,then it would be a cakewalk.

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.