题解 | #单组_一维数组#

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 scanner = new Scanner(System.in);
        int n = scanner.nextInt();
        long sum = 0L;
        while (n > 0) {
            sum += scanner.nextInt();
            n--;
        }
        System.out.println(sum);
        scanner.close();
    }
}