Pairwise AND sum

CodeChefRating 1991Open on judge ↗

You are given a sequence of N integer numbers A. Calculate the sum of Ai AND Aj for all the pairs (i, j) where i . The AND operation is the Bitwise AND operation, defined as in here. Input The first line of input consists of the integer N. The second line contains N integer numbers - the sequence A. Output Output the answer to the problem on the first line of the output. Scoring Subtask 1

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solution.cppC++17

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