题解 | 单组_二维字符数组

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);

        int n = in.nextInt();
        int m = in.nextInt();
        char[][] a = new char[n][m];
        
        for (int i = 0; i < n; i++) {
            String raw = in.next();
            for (int j = 0; j < m; j++) {
                a[i][j] = raw.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();
        }
    }
}