GOLD EXTRACTION

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Uppal-balu is busy in extraction of gold from ores. He got an assignment from his favorite professor MH sir, but he got stuck in a problem. Can you help Uppal-balu to solve the problem. You are given an array $a_1$, $a_2$, $\dots$, $a_n$ of length $n$. You can perform the following operations on it: - Choose an index $i$ ($1 \leq i \leq n$), and replace $a_i$ by $a_{i} + 1$ or $a_{i} - 1$, w

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solution.cppC++17

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