Q967
Consider the following iterative implementation to find the sum of digits of a number: #include int sum_of_digits(int n) int sm = 0; while(n != 0) _________; n /= 10; return sm; int main() int n = 1234; int ans = sum_of_digits(n); printf("%d",ans); return 0; Which of the following lines should be inserted to complete the above code?
A.
sm += n
B.
sm += n%10
AnswerC.
sm += n-10
D.
sm += n/10
Answer: Option B
Solution
Answer: Option B
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