int n = new Scanner(System.in).nextInt();//系统输入一个数作为图像的行数
for(int a = 1;a<=n;a++){
for(int b = 1;b<a;b++){
System.out.print(" ");
}
for (int c =2*n-1;c>=2*a-1;c--){
System.out.print("*");
}
System.out.println();
}
07-26
2094
