Remove it

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You are given the array a consisting of n positive (greater than zero) integers. In one move, you can choose two indices i and j (i≠j) such that the absolute difference between ai and aj is no more than one (|ai−aj|≤1) and remove the smallest of these two elements. If two elements are equal, you can remove any of them (but exactly one). Your task is to find if it is possible to obtain the ar

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solution.cppC++17

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