[백준] 2231. 분해합

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

2231번: 분해합

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import java.util.Scanner;

public class Main {
	
	public static void main(String[] args) {
		
		Scanner sc = new Scanner(System.in);
		
		int N = sc.nextInt();	
		int answer = 0;
		
		for(int i=1; i<N; i++) {
			int result = 0;
			result += i;
			String st = Integer.toString(i);
			for(int j=0; j<st.length(); j++)
				result += (st.charAt(j)-48);
			
			if(result == N) {
				answer =i;
				break;
			}
		}
		System.out.println(answer);
		
	}
}