2018-12-20第三题

效果

图片发自App

代码

 try
            {
                Console.Write("请输入直角三角形的行数：");
                int hs = Convert.ToInt32(Console.ReadLine());
                for (int i = 1; i <= hs; i++)
                {
                    for (int j = 0; j < hs+i-1; j++)
                    {
                        if (j < hs - i)
                        {
                            Console.Write(" ");
                        }
                        else
                        {
                            Console.Write("*");
                        }
                        
                    }
                    Console.WriteLine("");
                }
            }
            catch
            {
                Console.WriteLine("出错了啊。");
            }
            Console.ReadKey();