课堂练习——数组

 1  static void Main(string[] args)
 2         {
 3           int [,] a=new int [6,5];
 4 
 5           for(int i=0;i <6;i ++)
 6           {      
 7               Console .WriteLine ("请输入第{0}个学生的语文成绩",i+1);//  i+1  序列号第一个学生
 8              int yuwen=Convert .ToInt32 (Console .ReadLine ());
 9               Console .WriteLine ("请输入第{0}个学生的数学成绩",i+1);
10               int shuxue=Convert .ToInt32 (Console .ReadLine ());
11                Console .WriteLine ("请输入第{0}个学生的英语成绩",i+1);
12               int yingyu=Convert .ToInt32 (Console .ReadLine ());
13              
14               a[i, 0] = i + 1;    //学号
15               a[i, 1] = yuwen;       
16               a[i, 2] = shuxue; 
17               a[i, 3] = yingyu ;
18               a[i, 4] = yuwen +shuxue +yingyu  ;
19               
20            
21           }
22           for (int i = 1; i <=6; i++)
23           {
24 
25               for (int j = 1; j <= 6-i; j++)
26               {
27                   if (a [j,4]>a[j-1,4])
28                   {
29                       int xh = a[j - 1, 0];
30                       a[j - 1, 0] = a[j, 0];
31                       a[j, 0] = xh;
32 
33                       int yuwen  = a[j - 1, 1];
34                       a[j - 1,1] = a[j, 1];
35                       a[j, 1] = yuwen ;
36 
37                       int shuxue= a[j - 1, 2];
38                       a[j - 1, 2] = a[j, 2];
39                       a[j, 2] = shuxue;
40 
41 
42                       int yingyu = a[j - 1, 3];
43                       a[j - 1,3] = a[j,3];
44                       a[j, 3] = yingyu ;
45 
46 
47                       int zhongfen = a[j - 1, 4];
48                       a[j - 1, 4] = a[j, 4];
49                       a[j, 4] = zhongfen ;
50 
51 
52                   }
53 
54               }
55           }
56             Console .WriteLine ("学号\t语文\t数学\t英语\t总分\t名次");
57             for (int i =0; i<6;i++)
58             {
59                 Console .WriteLine ("{0}\t{1}\t{2}\t{3}\t{4}\t{5}",a[i,0],a[i,1],a[i,2],a[i,3],a[i,4],i+1);
60 
61             }
62 
63 
64 
65         }