Uber OA Question

Revision en1, by coder0687, 2024-05-19 22:52:58

Given A, B, C, D. Find $$$\sum\limits_{i = A}^B \sum\limits_{j = C}^D i⊕j$$$

Constraints:

1 <= A <= B <= $$$10^9$$$

1 <= C <= D <= $$$10^9$$$

How to approach this, any suggestion will be helpful?

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en1 English coder0687 2024-05-19 22:52:58 211 Initial revision (published)