Unmedian

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You are given an array $A$ of length $N$. You can perform the following operation on it: - Choose any contiguous subarray of $A$ such that its length is **greater than $1$** and **odd**. - Then, delete the median$^\dagger$ of this subarray from it. If there are multiple occurrences of the median within the subarray, delete the **leftmost** one. Note that the length of the array decreases by $1

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solution.cppC++17

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