Add Digits
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1 public class Solution {
2 public int addDigits(int num) {
3 return num - (num - 1) / 9 * 9;
4 }
5 }
1 public class Solution {
2 public int addDigits(int num) {
3 return num - (num - 1) / 9 * 9;
4 }
5 }