题解 | #X形图案#

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 sc = new Scanner(System.in);
      while(sc.hasNextInt()){
        int n = sc.nextInt();
        for (int i = 0;i<n;i++){
            for (int j = 0;j<n;j++){
                if (i == j || (i+j) == n-1){
                    System.out.print("*");
                }else{
                    System.out.print(" ");
                }
            }
            System.out.println();
        }
      }
    }
}