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 in = new Scanner(System.in);
        int n = in.nextInt();
        int m = in.nextInt();
        in.nextLine();
        char[][] arr = new char[n][m];
        for (int i = n; i > 0;) {
            i--;
            String line = in.nextLine();
            int k = 0;
            for (int j = m; j > 0;) {
                j--;
                arr[i][k++] = line.charAt(j);
            }
        }

        for (int i = 0; i < n; i++) {
            for (int j = 0; j < m; j++) {
                System.out.print(arr[i][j]);
            }
            System.out.println();
        }
    }
}