And Upto K

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Girija has learned a very interesting bitwise operation – AND (denoted by &) in school today and now she wants to test her knowledge. On her way from school to home there is a park of ‘$N$’ random positive integers (including $0$), she enters the park, picks k smallest numbers from the park and performs bitwise **$AND$** of them. Can you guess what result she will get after doing the operation?

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solution.cppC++17

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