Given 2 mutisets A and B, |A| = |B|, |A|, |B| <= 10^5, 0 <= elements in set <= 10^18. The task is to find such X that A ^ X = B or say that such X doesnt exists. How can one do that? A ^ X means foreach element of A xor it with X
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Given 2 mutisets A and B, |A| = |B|, |A|, |B| <= 10^5, 0 <= elements in set <= 10^18. The task is to find such X that A ^ X = B or say that such X doesnt exists. How can one do that? A ^ X means foreach element of A xor it with X
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