백준2231: 분해합

문제

https://www.acmicpc.net/problem/2231

문제 풀이

import java.util.*;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int N = sc.nextInt();
        int result = 0;

        for (int i = 1; i < N; i++) {
            int num = i;
            int sum = 0;

            while (num != 0) {
                sum += num % 10;
                num /= 10;
            }

            if (N == i + sum) {
                result = i;
                break;
            }
        }

        System.out.println(result);
    }
}