题解 | #K形图案#

//打印*号的方法
void printXuqiu(int count)
{
	for (int i = 0; i <= count; ++i)
	{
		printf("* ");
		if (i == count)
		{
			printf("\n");
			printXuqiu(--count);
		}

	}
}
//打印下半部分*号的方法
void printXiaBan(int count)
{
	int num = 2;
	for (int i = 1; i <= count; ++i)
	{
		for (int j = 0; j < num; ++j)
		{
			printf("* ");
		}
		if (num <= count)
		{
			printf("\n");
			num++;
		}
	}
}
int main()
{

	
		int count = 0;
		scanf("%d", &count);
		if (count >= 2 && count <= 20)
		{
			printXuqiu(count);
			printXiaBan(count);
		}


}