[java 백준] 브론즈 2/ 11720번 숫자의 합

https://www.acmicpc.net/problem/11720

11720번: 숫자의 합

import java.util.Scanner;
 
public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
 
        int n = sc.nextInt();
        String s = sc.next();
        String[] arr = s.split("");
        int sum = 0;
        for (String s1 : arr) {
            sum += Integer.parseInt(s1);
        }
        System.out.println(sum);
 
    }
 
}