题解 | 单组_一维数组

import java.util.Scanner;
public class Main{
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        int n  =sc.nextInt();
        long nums[] = new long[n];//由于元素的值可能很大，所以用long
        for(int i = 0;i < n;i++){
            nums[i] = sc.nextLong();
        }
        long sum = 0;
        for(int i = 0;i < n;i++){
            sum = sum + nums[i];
        }
        System.out.println(sum);
        sc.close();
    }
}