using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Threading.Tasks;namespace 二分查询{    class Program    {        static void Main(string[] args)        {            int[] array = { 10, 20, 50, 6, 45, 10, 33, 25, 40, 5 };            Array.Sort(array);            Console.Write("数组排序之后: ");            foreach (var i in array)            {                Console.Write(i + ",");            }            Console.WriteLine();            int a = SearchFun(array, 45);            Console.WriteLine("找到的值:" + a);            Console.Read();        }        static int SearchFun(int [] array,int value)        {            int mid, low, high;            low = 0;            high = array.Length - 1;            while (low < high)            {                mid = (low + high) / 2;                 //数组从中间找                if (array[mid] == value)                    return array[mid];                if (array[mid] > value)                 //数组中的值 大于 要找的值, 继续在数组下部分查询                       high = mid - 1;                else                    low = mid + 1;                      //数组中的值 大于 要找的值, 继续在数组上部分查询               }            return -1;        }    }}