题解 | #X形图案#

import java.util.Scanner;

public class Main {
    
    public static void main(String[] args) {
        
        Scanner scanner = new Scanner(System.in);
        
        while (scanner.hasNextInt()) {
            int n = scanner.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.print("\n");
            }
        }
        
    }
    
}