题解 | #N个数之和#

import java.util.Scanner;

// 注意类名必须为 Main, 不要有任何 package xxx 信息
public class Main {
    public static void main(String[] args) {
       Scanner sc = new Scanner(System.in);
       int N = sc.nextInt();
       int []arr = new int[N];
       for (int i = 0;i<N;i++){
        arr[i] = sc.nextInt();
       }

        int sum = 0;
        for (int j = 0;j<N;j++){
            sum +=arr[j];
        }

        System.out.println(sum);

    }
}