初学算法之---pta 福到了

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
/**
 * @ClassName 福到了
 * @Author ACER
 * @Description ToDo
 * @Date 2021/7/19 21:14
 * @Version 1.0
 **/
public class Main
{
    private static BufferedReader reader=new BufferedReader(new InputStreamReader(System.in));
    public static void main(String[] args) throws IOException {
       String []array=new String[101];
        String data = reader.readLine();
        String[] s = data.split(" ");
        String character = s[0];
        String rows = s[1];
        for (int i = 0; i < Integer.parseInt(rows); i++) {
            //读入数据
            String lie = reader.readLine();
            array[i]=lie;
        }
        //判断数组是否头尾一致
        int j= Integer.parseInt(rows)-1;
        boolean flag=true;
        for (int i = 0; i <=j; i++) {
            if (!array[i].equals(array[j])){
                flag=false;
            }
            j--;
        }
        if(!flag){
            //如果出现头尾不相等情况 需要倒置
            for (int i =  Integer.parseInt(rows)-1; i >=0; i--) {
                char[] chars = array[i].toCharArray();
                for (int i1 = chars.length-1; i1 >=0 ; i1--) {
                    if ((chars[i1]+"").equals(" ")){
                        System.out.print(" ");
                    }else {
                        System.out.print(character);
                    }
                }
                System.out.println();
            }
        }
        else {
            System.out.println("bu yong dao le");
            for (int i = 0; i < Integer.parseInt(rows); i++) {
                char[] chars = array[i].toCharArray();
                for (int k = 0; k < array[i].length(); k++) {
                    if ((chars[k]+"").equals(" ")){
                        System.out.print(" ");
                    }else {
                        System.out.print(character);
                    }
                }
                System.out.println();
            }
        }
    }
}