0727数组

一. 一位数组
            //int[] array = new int[5]{1,2,3,4,5};
            //int[] array = new int[5];
            //array[0] = 1;
            //array[1] = 2;
            //array[2] = 3;
            //array[3] = 4;
            //array[4] = 5;
            ////array[5] = 6; 超出索引范围

            //int a = array[2];

            //string[] ss = new string[3];
            //ss[0] = "1";
            //ss[1] = "2";
            //ss[2] = "3";
            //string b = ss[2];

            //输入三个名字放入数组
            //string[] name = new string[3];
            //Console.Write("请输入第一个人名：");
            //name[0] = Console.ReadLine();
            //Console.Write("请输入第二个人名：");
            //name[1] = Console.ReadLine();
            //Console.Write("请输入第三个人名：");
            //name[2] = Console.ReadLine();
            //Console.ReadLine();

 

            //从控制台输入班级人数
            //将每个人的年龄放入数组
            //求总和
            //求平均年龄
            //最大值
            //Console.Write("请输入班级人数：");
            //int n = int.Parse(Console.ReadLine());
            //int[] a = new int[n]; int b = 0;
            //for (int i = 0; i < n ;i++ )
            //{
            //    Console.Write("请输入第{0}个人的年龄:",i+1);
            //    a[i] = int.Parse(Console.ReadLine());
            //    b += a[i];
            //}
            //Console.Write("所有人的年龄输入完毕！");
            //Console.ReadLine();
            //Console.WriteLine();
            //Console.WriteLine("年龄总和为：{0}。",b);
            //Console.WriteLine(b/n);
            //int c = 0;
            //for (int i = 0; i < n;i++ )
            //{
            //     if(c<a[i])
            //     {
            //         c = a[1];
            //     }

            //}
            //Console.WriteLine("最大年龄为:{0}",c);

 

 

            //冒泡排序
            //for (int i = 0; i < n; i++)
            //{
            //    for (int j = i; j < n-1; j++)
            //    {
            //        if (age[i] < age[j+1])
            //        {
            //            int zhong = age[i];
            //            age[i] = age[j+1];
            //            age[j+1] = zhong;
            //        }
            //    }
            //}
            //for (int i = 0; i < n; i++)
            //{
            //    Console.WriteLine(age[i]);
            //}
            //    Console.ReadLine();

 

 

 

            //输入班级人数
            //输入每个人的分数
            //求总分 平均分 两个最高分 两个最低分
            //Console.Write("请输入班级人数：");
            //int n = int.Parse(Console.ReadLine());
            //double [] a = new double[n];
            //double b = 0;
            //for (int i = 0; i < n; i++)
            //{
            //    Console.Write("请输入第{0}个人的分数:", i + 1);
            //    a[i] = double.Parse(Console.ReadLine());
            //    b += a[i];
            //}
            //Console.Write("所有人的分数输入完毕！");
            //Console.WriteLine();
            //Console.WriteLine("分数总和为：{0}。", b);
            //Console.WriteLine("平均分为：：{0}", b / n);
            //for (int i = 0; i < n; i++)
            //{
            //    for (int j = i; j < n-1 ; j++)
            //    {
            //        if (a[i] < a[j + 1])
            //        {
            //            double zhong = a[i];
            //            a[i] = a[j+1];
            //            a[j+1] = zhong;
            //        } 
            //    }
            //}            
            //Console.WriteLine("两个最高分为：{0}、{1};两个最低分为：{2}、{3}。", a[0], a[1], a[n - 2], a[n-1]);
            //Console.ReadLine();

 

 

              //验证码
            //string ss = "ABCDEFGHIJKLMNOPQRRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
            //Random ran = new Random();
            //int a = ran.Next(0, 62);
            //string a1 = ss.Substring(a, 1);
            //int b = ran.Next(0, 62);
            //string b1 = ss.Substring(b, 1);
            //int c = ran.Next(0, 62);
            //string c1 = ss.Substring(c, 1);
            //int d = ran.Next(0, 62);
            //string d1 = ss.Substring(d, 1);
            //string f = a1 + b1 + c1 + d1;
            // string[] aa=new string []{f};
            // Console.WriteLine(aa[0]);
            // string f1 = aa[0].ToLower();
            // Console.Write("请输入验证码：");
            // string e = Console.ReadLine();
            // string e1 = e.ToLower();
            // if (f1 == e1)
            // {
            //     Console.WriteLine("您输入的验证码正确。");
            // }
            // else
            // {
            //     Console.WriteLine("您输入的验证码错误。");
            // }

 

            //string[] zimu = new string[] { "A", "B", "C", "D", "E", "F","G","H","I","J","K","L","M","N","O","P","Q","R","S","T","U","V","W","X","Y","Z","a","b","c","d","e","f","g","h","i","j","k","l","m","n","o","p","q","r","s","t","u","v","w","x","y","z","0","1","2","3","4","5","6","7","8","9" };
            //Random ran = new Random();
            //int yanzheng1 = ran.Next(0,62);
            //int yanzheng2 = ran.Next(0, 62);
            //int yanzheng3 = ran.Next(0, 62);
            //int yanzheng4 = ran.Next(0, 62);
            //string yanzhengma = zimu[yanzheng1] + zimu[yanzheng2] + zimu[yanzheng3] + zimu[yanzheng4];
            //Console.WriteLine(yanzhengma);
            //Console.Write("请输入验证码：");
            //string yanzhengmahehe = Console.ReadLine();
            //string yanzhenmgmaheihei = yanzhengmahehe.ToLower();
            //string yanzhengmahaha = yanzhengma.ToLower();
            //if (yanzhenmgmaheihei == yanzhengmahaha)
            //{
            //    Console.WriteLine("您输入的验证码正确！");
            //}
            //else
            //{
            //  Console.WriteLine("您输入的验证码错误！");
            //}

            // Console.ReadLine();

 

 

              //随机100以内的10个不重复的数,放进数组
            //int[] array = new int[10];
            //Random ran = new Random();
            //for (int i = 0; i < 10; i++)
            //{
            //    bool b = true;
            //    int a = ran.Next(100);
            //    for (int j = 0; j < i; j++)
            //    {
            //        if (a == array[j])
            //        {
            //            b = false;
            //            i--;
            //            j = 1000;
            //        }
            //    }
            //    if (b == true)
            //    {
            //        array[i] = a;
            //    }
            //}
            //for (int i = 0; i < 10; i++)
            //{
            //    Console.Write(array[i] + "\t");
            //}
            //Console.WriteLine();

            ////由小到大排序
            //for (int i = 0; i < 10; i++)
            //{
            //    for (int j = i; j < 9; j++)
            //    {
            //        if (array[i] > array[j + 1])
            //        {
            //            int zhong = array[i];
            //            array[i] = array[j + 1];
            //            array[j + 1] = zhong;
            //        }
            //    }
            //}
            //for (int i = 0; i < 10; i++)
            //{
            //    Console.Write(array[i] + "\t");
            //}
            //Console.ReadLine();

 

 

            //滚动显示
            //for (int i = 0; i < 50; i++)
            //{
            //    Console.Clear();//清屏
            //    int a = ran.Next(10);
            //    Console.WriteLine(array[a]);
            //    //暂停100毫秒，0.1秒
            //    System.Threading.Thread.Sleep(100);
            //}
            //Console.ReadLine();

 

 

            //抽奖活动，输入手机号码个数
            //将每个手机号码输入数组
            //0.1秒滚动显示，5秒结束
            //Console.Write("请输入手机号码的个数：");
            //int n = int.Parse(Console.ReadLine());
            //string[] shouji = new string[n];
            //for (int i = 0; i < n; i++)
            //{
            //    Console.Write("请输入第{0}一个手机号码：", i + 1);
            //    shouji[i] = Console.ReadLine();
            //}
            //Console.WriteLine("所有手机号码输入完毕！请按回车键进行抽奖活动！");
            //Console.ReadLine();
            //Random ran = new Random();
            //for (int i = 0; i < 50; i++)
            //{
            //    Console.Clear();
            //    int a = ran.Next(n);
            //    Console.WriteLine("中奖号码：" + shouji[a]);
            //    System.Threading.Thread.Sleep(100);
            //}
            ////不管什么都输出自己手机号
            //Console.Clear();
            //Console.WriteLine("中奖号码：18369907189");
            //Console.ReadLine();

转载于:https://www.cnblogs.com/a12110303043/p/5712614.html