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二维数组、多维数组
1.二维数组
二维数组由多个一维数组组成，其定义方式：
1 int [,] array=new int [3,4]{2 {1,2,3,4},3 {3,4,5,6},4 {5,6,7,8}5 };
二维数组中括号中，逗号左边表示一维数组的个数，也可以说控制行，逗号后面的数表示每个一维数组里面有几个元素，也可以说控制列。
1.输入班级人数，输入每个人的语数英成绩，并输出
1 Console.Write("请输入班级人数："); 2 int a = int.Parse(Console.ReadLine()); 3 double[,] score = new double[a, 3]; 4 for (int i = 0; i < a; i++) 5 { 6 Console.Write("请输入第{0}个人的语文成绩：", i + 1); 7 score[i, 0] = double.Parse(Console.ReadLine()); 8 Console.Write("请输入第{0}个人的数学成绩：", i + 1); 9 score[i, 1] = double.Parse(Console.ReadLine());10 Console.Write("请输入第{0}个人的英语成绩：", i + 1);11 score[i, 2] = double.Parse(Console.ReadLine());12 }13 for (int i = 0; i < a; i++)14 {15 for (int j = 0; j < 3; j++)16 {17 Console.Write(score[i, j] + "\t");18 }19 Console.WriteLine();20 }
输入班级人数，输入每个人的语数英成绩，求语文两个最高分 数学两个最低分 英语平均分
1 Console.Write("请输入班级人数："); 2 int a = int.Parse(Console.ReadLine()); 3 double[,] score = new double[a, 3]; 4 for (int i = 0; i < a; i++) 5 { 6 Console.Write("请输入第{0}个人的语文成绩：", i + 1); 7 score[i, 0] = double.Parse(Console.ReadLine()); 8 Console.Write("请输入第{0}个人的数学成绩：", i + 1); 9 score[i, 1] = double.Parse(Console.ReadLine());10 Console.Write("请输入第{0}个人的英语成绩：", i + 1);11 score[i, 2] = double.Parse(Console.ReadLine());12 }13 for (int i = 0; i < a - 1; i++)14 {15 for (int j = i + 1; j < a; j++)16 {17 if (score[i, 0] < score[j, 0])18 {19 double zhong = score[i, 0];20 score[i, 0] = score[j, 0];21 score[j, 0] = zhong;22 zhong = score[i, 1];23 score[i, 1] = score[j, 1];24 score[j, 1] = zhong;25 zhong = score[i, 2];26 score[i, 2] = score[j, 2];27 score[j, 2] = zhong;28 }29 }30 }31 Console.WriteLine("两个语文最高分是{0}、{1}", score[0, 0], score[1, 0]);32 for (int i = 0; i < a - 1; i++)33 {34 for (int j = i + 1; j < a; j++)35 {36 if (score[i, 1] > score[j, 1])37 {38 double zhong = score[i, 0];39 score[i, 0] = score[j, 0];40 score[j, 0] = zhong;41 zhong = score[i, 1];42 score[i, 1] = score[j, 1];43 score[j, 1] = zhong;44 zhong = score[i, 2];45 score[i, 2] = score[j, 2];46 score[j, 2] = zhong;47 }48 }49 }50 Console.WriteLine("两个数学最低分是{0}、{1}", score[0, 1], score[1, 1]);51 double sum = 0;52 for (int i = 0; i < a; i++)53 {54 sum += score[i, 2];55 }56 Console.WriteLine("英语平均分是{0}", sum / a);
打印“王”字
1 string[,] wang = new string[7, 7] 2 { 3 {"■","■","■","■","■","■","■"}, 4 {" "," "," ","■","","",""}, 5 {" "," "," ","■","","",""}, 6 {"■","■","■","■","■","■","■"}, 7 {" "," "," ","■","","",""}, 8 {" "," "," ","■","","",""}, 9 {"■","■","■","■","■","■","■"},10 };11 for (int i = 0; i < 7; i++)12 {13 for (int j = 0; j < 7; j++)14 {15 Console.Write(wang[i, j]);16 }17 Console.WriteLine();18 }
split() 以。。。。进行分割
分割出来的内容需要放在string类型的数组当中不需要给数组定义长度
2.三维数组
定义方式：
int[, ,] array = new int[3, 2, 2];
一个元素是一个点
一维数组是一条线
二维数组是一个面（表格）
三维数组是一个体（立体）
二维数组、多维数组
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