[Java] 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 sNum = sc.next();
        char[] cNum = sNum.toCharArray();
        int sum = 0;
    
        for(int i=0; i<cNum.length; i++) {
            sum += cNum[i] - '0';
        }
    
        System.out.println(sum);
    }    
}