[BOJ] 2231 분해합 (JAVA)

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

2231번: 분해합

import java.io.BufferedReader;
import java.io.InputStreamReader;

public class Main {
	
    public static void main(String[] args) throws Exception {

        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        int N = Integer.parseInt(br.readLine());
        for (int i = 1; i <= N; i++) {
            int sum = i;
            int num = i;

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

            if (sum == N) {
                System.out.print(i);
                return;
            }
        }

        System.out.print(0);

    }
	
}