Zomato Offer Subset XOR Sum
Zomato Offer Subset XOR Sum
MediumBit Manipulation0% accepted
Zomato assigns offer XOR codes. Given array nums, find the sum of XOR values of all possible subsets. A non-empty subset XOR is XOR of all its elements.
Approach
Sum of XOR of all subsets using bit math insight.
Input
3
1 3 5
Output
28
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