打印出来一个“王”这个字
string[,] wang = new string[,]{ {" ","■","■","■","■","■"," "},{" "," "," ","■"," "," "," "},{" "," "," ","■"," "," "," "},{" "," ","■","■","■"," "," "},{" "," "," ","■"," "," "," "},{" "," "," ","■"," "," "," "},{"■","■","■","■","■","■","■"}};for (int i = 0; i < 7; i++){ for (int j = 0; j < 7; j++){ Console.Write(wang[i,j]);}Console.WriteLine();}
打印出每个人的语数英成绩
Console.Write("请输入班级人数：");int n = int.Parse(Console.ReadLine());double[,] score = new double[n, 3];for (int i = 0; i < n; i++){ Console.Write("请输入第{0}个人的语文成绩：",i+1);score[i, 0] = double.Parse(Console.ReadLine());Console.Write("请输入第{0}个人的数学成绩：", i + 1);score[i, 1] = double.Parse(Console.ReadLine());Console.Write("请输入第{0}个人的英语成绩：", i + 1);score[i, 2] = double.Parse(Console.ReadLine());}Console.WriteLine("所有人的语数英成绩输入完毕，请按回车键打印！");Console.ReadLine();for (int i = 0; i < n; i++){ Console.WriteLine("第{0}个人的语文成绩是{1}，数学成绩{2}，英语成绩{3}。",i+1,score[i,0],score[i,1],score[i,2]);}//求语文总分double sum = 0;for (int i = 0; i < n; i++){ sum += score[i, 0];}Console.WriteLine(sum);Console.ReadLine();//多维数组//int[, ,] shuzu = new int[4, 3, 2];4，表示有四个二维数组3，表示每个二维数组里面有3个1维数组2,表示每个1维数组里面有2个元素
//string[, ,] gao = new string[3, 4, 1]
// { // { // {"张三"},{"李四"},{"王五"},{"赵六"}// },// { // {"冯七"},{"王八"},{"张全蛋"},{"小沈阳"}// },// { // {"刘能"},{"赵四"},{"赵本山"},{"岳云鹏"}// }// };
//split 分离
//一次性接收姓名、年龄、工作单位//Console.Write("请输入您的姓名、年龄、工作单位（**-**-**）：");//string quan = Console.ReadLine();//string[] array = quan.Split('-');//for (int i = 0; i < array.Length; i++)//{ // Console.WriteLine(array[i]);//}//Console.ReadLine();
{
ArrayList al = new ArrayList();//初始化al.Add(5);al.Add(3);al.Add(6);al.Add(4);al.Add(1);al.Add(2);al.Add("2");al.Add("hello");al.Add(true);al[3] = "你好";al.Clear(); 移除所有元素ArrayList al1 = new ArrayList();al1 = (ArrayList)al.Clone();//克隆//判断是否包含Console.WriteLine(al1.Contains("2"));//获取第一次出现该元素的索引号Console.WriteLine(al1.IndexOf(11));//获取最后一次出现该元素的索引号Console.WriteLine(al1.LastIndexOf(2));//插入某个索引位置某个元素al.Insert(2,"Hello");//移除某个第一次出现的元素
al.Remove("hello");//移除某个索引位置的元素al.RemoveAt(3);al.Sort();//排序 ，升序
al.Reverse();//翻转整个集合Console.WriteLine(al[2]);Console.WriteLine(al.Count);Console.ReadLine();//输入班级人数，输入每个人的姓名、语数英成绩进入集合//求语文的总分，数学的平均分，//英语的最高分的人的姓名及所有科目的分数（冒泡排序）//0 姓名 4 8 12//1 语文成绩5 9 13//2 数学成绩6 10 14//3 英语成绩7 11 15Console.Write("请输入班级人数：");int n = int.Parse(Console.ReadLine());double yu = 0;double shu = 0;ArrayList al = new ArrayList();for (int i = 0; i < n; i++){ Console.Write("请输入第{0}个人的姓名：",i+1);al.Add(Console.ReadLine());Console.Write("请输入第{0}个人的语文成绩：",i+1);al.Add(double.Parse(Console.ReadLine()));yu += double.Parse(al[al.Count - 1].ToString());Console.Write("请输入第{0}个人的数学成绩：", i + 1);al.Add(double.Parse(Console.ReadLine()));shu += double.Parse(al[al.Count - 1].ToString());Console.Write("请输入第{0}个人的英语成绩：", i + 1);al.Add(double.Parse(Console.ReadLine()));}Console.WriteLine("所有信息输入完毕，请按回车键继续！");Console.ReadLine();Console.WriteLine("语文的总分是："+yu);Console.WriteLine("数学的平均分是："+(shu/n));
for (int i = 3; i < 4*n-1; i+=4)
{ for (int j = i; j < 4 * n - 4; j += 4){ if (double.Parse(al[i].ToString()) < double.Parse(al[j + 4].ToString())){ //换姓名object zhong = al[i - 3];al[i - 3] = al[j + 1];al[j + 1] = zhong;//换语文zhong = al[i - 2];al[i - 2] = al[j + 2];al[j + 2] = zhong;//换数学zhong = al[i - 1];al[i - 1] = al[j + 3];al[j + 3] = zhong;//换英语zhong = al[i];al[i] = al[j + 4];al[j + 4] = zhong;}}}Console.WriteLine("英语最高分的学生是{0}，英语分数是{1}，语文分数是{2}，数学分数{3}",al[0],al[3],al[1],al[2]);Console.ReadLine();