import java.util.Scanner; public class Main{ public static void main(String []args){ Scanner sc = new Scanner(System.in); int n = sc.nextInt(); for(int i = 1; i <= n; i++){ int a = sc.nextInt(); int [] arr = new int [a]; for(int j = 0; j < a; j++){ arr[j] = sc.nextInt(); } for(int j = a - 1; j >= 0; j--){ System.out.printf("%d ",arr[j]); } System.out.println(); } } }这题相当于将数字存入数组中,在逆序。