题解 | #单组_二维字符数组#

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();
        int m = scanner.nextInt();
        char[][] a = new char[n][m];
        for (int i = 0; i < n; i++) {
            String line = scanner.next();
            for (int j = 0; j < m; j++) {
                a[i][j] = line.charAt(j);
            }
        }
        for (int i = n - 1; i >= 0; i--) {
            for (int j = m - 1; j >= 0; j--) {
                System.out.print(a[i][j]);
            }
            System.out.println();
        }
        scanner.close();
    }
}