using System; using System.Collections.Generic; using System.Linq; using System.Text; namespace ConsoleApplication2 { class Program { static void Main(string[] args) { Console.WriteLine("输入第一个数"); int a = Convert.ToInt32(Console.ReadLine()); Console.WriteLine("输入第二个数"); int b = Convert.ToInt32(Console.ReadLine()); Console.WriteLine("输入第三个数"); int c = Convert.ToInt32(Console.ReadLine()); if ((a > b&&b>c)||(c>b&&b>c)) { Console.WriteLine("中间数:"+b); } else if ((b > a && a > c) || (c > a && a > b)) { Console.WriteLine("中间数:" + a); } else { Console.WriteLine("中间数:" + c); } } } }