题解 | #菱形图案#

import java.util.Scanner;

public class Main { public static void main(String[] args) { Scanner in = new Scanner(System.in); while(in.hasNext()){ int n = in.nextInt(); for(int i=1;i<=n+1;i++){ for(int j=1;j<=n+1-i;j++){ System.out.print(" "); }for(int k=1;k<=i;k++){ System.out.print("* "); }System.out.println(); }for(int a=1;a<=n;a++){ for(int b=0;b<a;b++){ System.out.print(" "); }for(int c=0;c<=n-a;c++){ System.out.print("* "); }System.out.println(); } } } } 超级巨他妈离谱for嵌套 先可以看成一个五星底金字塔（正的）加一个倒的四星金字塔