Rohit And Bits Operator

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Given an array of n elements A0,A1,….., An-1. You have to select two distinct index say a and b such that (Aa & Ab)*(Aa | Ab) is maximal where & ,| is a bitwise operators. Input The first line contains a single integer denoting n . The second line contains n space-separated integers describing the respective values of A0,A1,….,An-1 . Output Print the maximal value. Constraints - 2 ≤ N ≤ 10^5

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solution.cppC++17

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