[JAVA] 백준 1110번 - 더하기 사이클

 

 

<코드>

import java.util.Scanner;
public class Main {

	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		
		int N = sc.nextInt();
		int cnt = 1;
		int now_num = N;
		int next_num = (now_num%10)*10 + (now_num/10 + now_num%10)%10;
		
		while(N != next_num) {
			now_num = next_num;
			next_num = (now_num%10)*10 + (now_num/10 + now_num%10)%10;
			cnt++;
		}
		System.out.println(cnt);
		
	}
}

 

 

https://www.acmicpc.net/problem/1110

1110번: 더하기 사이클