Remove and Add

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You are given an array $A$ of $N$ integers. You must perform some (possibly zero) operations to make the elements of $A$ distinct. In one operation, you can either: - Remove one element from the beginning of the array $A$ and append any positive integer to the end. - Or remove one element from the end of the array $A$ and prepend any positive integer to the beginning. Find the minimum number of

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solution.cppC++17

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