using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

namespace ConsoleApplication5

{

    class Program

    {

        static void Main(string[] args)

        {

            double[] valuesArry = new double[] { 2.69542810293899, 8.67362626166823, 8.714769350604, 4.76212713707014 };

            Array.Sort(valuesArry);

            for (int i = ; i < ;i++ )

            {

                Console.WriteLine("{0}", valuesArry[i]);

            }

            Console.WriteLine("=========================");

            Console.WriteLine("{0}", valuesArry[valuesArry.Length/]);

            Console.WriteLine("{0}", valuesArry[(valuesArry.Length+) / -]);

            /*

            2.69542810293899

            4.76212713707014

            8.67362626166823

            8.714769350604

            =========================

            8.67362626166823

            4.76212713707014

            请按任意键继续. . .

             */

        }

    }

}