鸡尾酒排序

 1  public int[] Ripple(int[] sortData)
 2         {
 3             int StartIndex = 1;
 4             int top = sortData.Length - 1;
 5             int Bottom = 0;
 6             int step = 1;
 7             int swap;
 8             while (Bottom < top)
 9             {
10                 for (int i = StartIndex; Bottom <= i && i <= top; i = i + step)
11                 {
12                     if (step == 1)
13                     {
14                         if (sortData[i] < sortData[i - 1])
15                         {
16                             swap = sortData[i];
17                             sortData[i] = sortData[i - 1];
18                             sortData[i - 1] = swap;
19                         }
20                     }
21                     else
22                     {
23                         if (sortData[i + 1] < sortData[i])
24                         {
25                             swap = sortData[i];
26                             sortData[i] = sortData[i + 1];
27                             sortData[i + 1] = swap;
28                         }
29                     }
30                 }
31                 if (step == -1)
32                 {                  
33                     Bottom++;
34                     StartIndex = Bottom + 1;
35                 }
36                 else
37                 {                    
38                     top--;
39                     StartIndex = top - 1;
40                 }
41                 step = step * -1;
42             }
43             
44             return sortData;  
45         }
智者乐山山如画，仁者乐水水无涯。从从容容一杯酒，平平淡淡一杯茶。