sum of difference of consecutive elements

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Print the sum of difference of consecutive elements of an array. Length of array is 10. ###Input: - 10 lines contain integer input of array elements ###Output: - Integer Output ###Constraints - $1 \leq input \leq 1000$ ###Sample Input: 6 7 8 9 10 11 12 13 14 15 ###Sample Output: 9

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solution.cppC++17

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