题解 | #X形图案#

import java.util.Scanner;
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();
            }
        }
    }
}