Chef and the Minimum Cost Array

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Chef loves to play with arrays by himself. Today, he has an array $A$ consisting of $N$ distinct integers. He wants to perform the following operation on his array $A$. Select a pair of integers and remove the larger one of these two(if both are equal remove either of them) . This decreases the array size by 1. Cost of this operation will be equal to the smaller of them. Find out minimum su

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solution.cppC++17

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