Find the peak elements in an array

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Given an array $A$ of size $n$, your task is to find and print all the peak elements in the array. A peak element is one that is strictly greater than its neighbouring elements. For the first and last elements, only consider their single adjacent element. If no peak element exists in the array, print $-1$. --- ## Function Declaration ### Function Name $findPeaks$ – This function finds and pr

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solution.cppC++17

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