Given a set, find XOR of the XOR's of all subsets. - GeeksforGeeks

Given a set, find XOR of the XOR's of all subsets. - GeeksforGeeks

Given a set, find XOR of the XOR's of all subsets.

The question is to find XOR of the XOR's of all subsets. i.e if the set is {1,2,3}. All subsets are : [{1}, {2}, {3}, {1, 2}, {1, 3}, {2, 3}, {1, 2, 3}]. Find the XOR of each of the subset and then find the XOR of every subset result.

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This is a very simple question to solve if we get the first step (and only step) right. The solution is XOR is always 0 when n > 1 and Set[0] when n is 1.

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