Maximum GCD

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Chef is busy preparing for the next lunchtime, so he has given you the following task. You are given an array $a$ consisting of $n$ positive integers. The $goodness$ of the array $a$ is defined as the $GCD$ of all the elements in the array. Formally, $goodness = GCD(a_1, a_2, \dots, a_n)$. You can perform the following type of operation: - Select any two elements of the array $a_i$ and $a_j$

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solution.cppC++17

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