[java] 11720번 숫자의 합

 

public class backjun_1000 {
    public static void main(String[] args)
    {
        Scanner in = new Scanner(System.in);
        int num=in.nextInt(); 
        String input = in.next();
        in.close();
        int result=0;
         for (int i = 0; i < num; i++)
         {
                result += input.charAt(i)-'0';
         }
         System.out.println(result);
    }
}