Chefina and Swaps

CodeChefRating 3461Open on judge ↗

Chefina calls a sequence *good* if there is no way to divide it into two non-empty contiguous subsequences (not necessarily with equal length) such that the bitwise OR of the elements of one subsequence is equal to the bitwise OR of the elements of the other subsequence. You are given a sequence of positive integers $A_1, A_2, \ldots, A_N$. Chefina asked Chef to reorder the elements of this seq

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solution.cppC++17

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