Interesting XORsubseq

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Chef has an array $A$ of length $N$. He has recently come across the **bitwise XOR** operator. You can read more about **bitwise XOR** at this [link](https://en.wikipedia.org/wiki/Bitwise_operation#XOR) . Now, the chef is intrigued and he wants to calculate the number of non-empty **[subsequences](https://en.wikipedia.org/wiki/Subsequence)** which follow the given rules: - All the elements of the

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solution.cppC++17

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