题解 | #K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.hasNext()){
        int n  = sc.nextInt();
        for (int i = 1;i<=n;i++){
            for (int j = i;j<=n+1;j++){
                System.out.print("* ");
            }
            System.out.println();
        }
        System.out.println("*");
        for (int i = 1;i<=n;i++){
            for (int j = 1;j<=i+1;j++){
                System.out.print("* ");
            }
            System.out.println();
        }
      }
    }
}