Maximum Bitwise OR

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Find the maximum Bitwise OR of any subset of the given array Input Each input of t test cases Tips: - First line of input contains t(the number of testcases) - Each test case has two lines. - First line of input contains n (the number of elements in the test case) - Second line contains n elements Output Output t lines of answer one for each test case - Each line of the answer must p

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solution.cppC++17

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