测试是否及格

标签：

while (true)
            {
            Console.Write("请输入您的名字:");
            Console.ReadLine();
            Console.Write("请输入您的分数:");
            double a = Convert.ToDouble(Console.ReadLine ());
            if (a >= 60 && a <= 80)
            {
                Console.WriteLine("及格");
            }
            else if (a > 80)
            {
                Console.WriteLine("表扬");
            }
            else if (a >= 50 && a <= 60)
            {
                Console.WriteLine("努力");
            }
            else
            {
                Console.WriteLine("偷懒");
            }
            }

测试是否及格

标签：

原文地址：http://www.cnblogs.com/Mr-xue/p/4378923.html