public static int dsum(int n) {
if (n == 0) return 0;
return n % 10 + dsum(n / 10);
}
// Call: System.out.println(dsum(1729));What is printed?
- A
20
- B
17
- Ccheck_circle
19
- D
29
Explanation
1+7+2+9 = 19.
Recursion
AP Computer Science A· difficulty 3/5
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