摘要：
class Program { static void Main(string[] args) { string s = Console.ReadLine(); int num; if (int.TryParse(s, out num)) { try { Console.WriteLine("The result is {0}", FibonacciGaiJing3(num)); } catch (Exception) { Console.WriteLine("出错了，请联系管理员！"); } } else { Console.WriteLine(&qu 阅读全文
