Long Long Sum

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Calculate and print the sum of the elements in an array, keeping in mind that some of those integers may be quite large. ###Input: - The first line of the input consists of an integer $n$. - The next line contains $n$ space-separated integers contained in the array $arr$. ###Output: Print the integer sum of the elements in the array $arr$. ###Constraints - $1 \leq n \leq 10$

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solution.cppC++17

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