Triangle Perimeter

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Neha is a competitive programmer studied at Indore Institute of Science and Technology. Her senior , Mr. Anurag Mishra give her task to find the max perimeter of triangle from the given array of side length. Today, She is quite busy so help her to find the max perimeter of the triangle. you are given the integer $N$ and an array $A$ of size $N$ where $A[i]$ denotes the length of sides. ### Input

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solution.cppC++17

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