摘要：using System;using System.Collections.Generic;using System.Linq;using System.Text;namespace ConsoleApplication4{ class Class1 { int count; int[] list=new int[50]; public void putin() { Console.Write("请输入你的数组元素，以空格隔开，以回车结束："); string str = Console.ReadLine(); string[] result = str.Split( 阅读全文

摘要：using System; using System.IO; public class Chapter4 { static void Main() { int[] numbers = new int[100];FileStream f1 = new FileStream(@"c:\numbers.txt",FileMode.Open);StreamWriter s1 = new StreamWriter(f1);Random r1 = new Random(); for (int j = 0; j < 100; j++){ s1.WriteLine( r1.Next( 阅读全文

摘要：System.Diagnostics.Stopwatch stopwatch = new Stopwatch(); stopwatch.Start(); // 开始监视代码运行时间 // you code .... stopwatch.Stop(); // 停止监视 TimeSpan timespan = stopwatch.Elapsed; // 获取当前实例测量得出的总时间 double hours = timespan.TotalHours; // 总小时 double minutes = timespan.TotalMinutes; // 总分钟 double seconds = t. 阅读全文