Easy Substring

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Given an array of ‘n’ elements which contains only 1 and 0, count all sub-array which starts and ends with same digit. Print the result. ###Input: - First line will contain $n$, size of array. - Next line will contain $n$ elements of the array. ###Output: single integer(count result) ###Constraints - $1 \leq n \leq 500$ - array elements: {0,1} ###Sample Input: 5

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solution.cppC++17

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