Chef and Bitwise OR Operation

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Chef studies very well in his University. There is only one professor who doesn't want to give him the highest grade, A. Chef has had a long argument with him, and eventually they agreed, that if Chef solves an algorithmic problem, he gets the highest grade. After looking at the problem, he realized he can't solve it. Once again, he approached Codechef admins for help, and once again we decided to

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solution.cppC++17

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