Sum of digits

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You are given a integer $N$. FInd the sum of the digits of number $N$. ###Input: - First line will contain $T$, number of testcases. Then the testcases follow. - Each testcase contains of a single line of input, one integers $N$. ###Output: For each testcase, output in a single line the sum of digit of number $N$. ###Constraints - $1 \leq T \leq 1000$ - $2 \leq N \leq 10^{18}$

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solution.cppC++17

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