g0201_0300.s0258_add_digits.Solution Maven / Gradle / Ivy

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Java Solution for LeetCode algorithm problems, continually updating

There is a newer version: 1.24

package g0201_0300.s0258_add_digits;

// #Easy #Math #Simulation #Number_Theory #2022_07_05_Time_1_ms_(100.00%)_Space_39.3_MB_(98.44%)

public class Solution {
    public int addDigits(int num) {
        if (num == 0) {
            return 0;
        }
        if (num % 9 == 0) {
            return 9;
        }
        return num % 9;
    }
}