Make array great again

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You are a citizen of Arrayland. Your President (Mr. P) has given you a mundane problem: You're given an array a with size N (1-based indexing). You are allowed to perform an arbitrary number (including zero) of operations of the following type: choose an integer i (1 ≤ i ≤ N) and swap ai with aN-i+1. Your goal is to make the array a great. An array is great if it satisfies one of the following c

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solution.cppC++17

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