摘要： 1 using System; 2 using System.Collections.Generic; 3 using System.Linq; 4 using System.Text; 5 6 namespace ConsoleApplication1 7 { 8 class Program 9 {10 static void Main(string[] args)11 {12 int[] arr = new int[] { 1, 3, 5, 6, 7, 8, 9 };13 int key = 8;14 int retValue;15 retValue = binarySearching(. 阅读全文