[转]实现了几种比较常见的排序方法
1using System;
2using System.Collections;
3using System.ComponentModel;
4using System.Data;
5using System.Drawing;
6using System.Web;
7using System.Web.SessionState;
8using System.Web.UI;
9using System.Web.UI.WebControls;
10using System.Web.UI.HtmlControls;
11
12namespace suanfa
13{
14 /// <summary>
15 /// Sort 的摘要说明。
16 /// </summary>
17 public class Sort : System.Web.UI.Page
18 {
19 private void Page_Load(object sender, System.EventArgs e)
20 {
21 int i;
22 int [] arrSortData;
23 int[] arrData = new int[]{1,5,3,6,10,55,9,2,87,12,34,75,33,47};
24 //输出未排序数据
25 Response.Write("<b>原来数据:<b><br>");
26 for(i=0; i<arrData.Length; i++)
27 {
28 Response.Write(arrData[i] + " ");
29 }
30 Response.Write("<hr>");
31 //输出冒泡排序结果
32 arrSortData = bubbleSort(arrData);
33 Response.Write("<b>冒泡排序结果:<b><br>");
34 for(i=0; i<arrSortData.Length; i++)
35 {
36 Response.Write(arrSortData[i] + " ");
37 }
38 Response.Write("<hr>");
39 //输出快速排序结果
40 arrSortData = quickSort(arrData);
41 Response.Write("<b>快速排序结果:<b><br>");
42 for(i=0; i<arrSortData.Length; i++)
43 {
44 Response.Write(arrSortData[i] + " ");
45 }
46 Response.Write("<hr>");
47 //输出插入排序结果
48 arrSortData = insertSort(arrData);
49 Response.Write("<b>插入排序结果:<b><br>");
50 for(i=0; i<arrSortData.Length; i++)
51 {
52 Response.Write(arrSortData[i] + " ");
53 }
54 Response.Write("<hr>");
55 //输出选择排序结果
56 arrSortData = selectSort(arrData);
57 Response.Write("<b>选择排序结果:<b><br>");
58 for(i=0; i<arrSortData.Length; i++)
59 {
60 Response.Write(arrSortData[i] + " ");
61 }
62 Response.Write("<hr>");
63 // 在此处放置用户代码以初始化页面
64 }
65
66 //冒泡排序
67 private int[] bubbleSort(int[] arrData)
68 {
69 if(arrData.Length <= 1)
70 {
71 return arrData;
72 }
73 bool bAllHaveSort = false;
74 for(int i=arrData.Length-1; i>0 && !bAllHaveSort; i--)
75 {
76 for(int j=0; j<i; j++)
77 {
78 bAllHaveSort = true;
79 if(arrData[j] > arrData[j+1])
80 {
81 int temp = arrData[j];
82 arrData[j] = arrData[j+1];
83 arrData[j+1] = temp;
84 bAllHaveSort = false;
85 }
86 }
87 }
88 return arrData;
89 }
90 //快速排序
91 private int[] quickSort(int[] arrData)
92 {
93 if(arrData.Length <= 1)
94 {
95 return arrData;
96 }
97 for(int i=0; i<arrData.Length-1; i++)
98 {
99 for(int j=i+1; j<arrData.Length; j++)
100 {
101 if(arrData[i]>arrData[j])
102 {
103 int temp = arrData[i];
104 arrData[i] = arrData[j];
105 arrData[j] = temp;
106 }
107 }
108 }
109 return arrData;
110 }
111 //插入排序
112 private int[] insertSort(int[] arrData)
113 {
114 if(arrData.Length <= 1)
115 {
116 return arrData;
117 }
118 for(int i=1; i<arrData.Length; i++)
119 {
120 int temp = arrData[i];
121 int j = i;
122 while(j>0 && arrData[j]<arrData[j-1])
123 {
124 arrData[j] = arrData[j-1];
125 j--;
126 }
127 arrData[j] = temp;
128 }
129 return arrData;
130 }
131 //选择排序
132 private int[] selectSort(int[] arrData)
133 {
134 if(arrData.Length <= 1)
135 {
136 return arrData;
137 }
138 for(int i=0; i<arrData.Length-1; i++)
139 {
140 int min = i;
141 for(int j=i+1; j<arrData.Length; j++)
142 {
143 if(arrData[min]>arrData[j])
144 {
145 min = j;
146 }
147 }
148 int temp = arrData[i];
149 arrData[i] = arrData[min];
150 arrData[min] = temp;
151 }
152 return arrData;
153 }
154
155 Web 窗体设计器生成的代码
175 }
176}
177
2using System.Collections;
3using System.ComponentModel;
4using System.Data;
5using System.Drawing;
6using System.Web;
7using System.Web.SessionState;
8using System.Web.UI;
9using System.Web.UI.WebControls;
10using System.Web.UI.HtmlControls;
11
12namespace suanfa
13{
14 /// <summary>
15 /// Sort 的摘要说明。
16 /// </summary>
17 public class Sort : System.Web.UI.Page
18 {
19 private void Page_Load(object sender, System.EventArgs e)
20 {
21 int i;
22 int [] arrSortData;
23 int[] arrData = new int[]{1,5,3,6,10,55,9,2,87,12,34,75,33,47};
24 //输出未排序数据
25 Response.Write("<b>原来数据:<b><br>");
26 for(i=0; i<arrData.Length; i++)
27 {
28 Response.Write(arrData[i] + " ");
29 }
30 Response.Write("<hr>");
31 //输出冒泡排序结果
32 arrSortData = bubbleSort(arrData);
33 Response.Write("<b>冒泡排序结果:<b><br>");
34 for(i=0; i<arrSortData.Length; i++)
35 {
36 Response.Write(arrSortData[i] + " ");
37 }
38 Response.Write("<hr>");
39 //输出快速排序结果
40 arrSortData = quickSort(arrData);
41 Response.Write("<b>快速排序结果:<b><br>");
42 for(i=0; i<arrSortData.Length; i++)
43 {
44 Response.Write(arrSortData[i] + " ");
45 }
46 Response.Write("<hr>");
47 //输出插入排序结果
48 arrSortData = insertSort(arrData);
49 Response.Write("<b>插入排序结果:<b><br>");
50 for(i=0; i<arrSortData.Length; i++)
51 {
52 Response.Write(arrSortData[i] + " ");
53 }
54 Response.Write("<hr>");
55 //输出选择排序结果
56 arrSortData = selectSort(arrData);
57 Response.Write("<b>选择排序结果:<b><br>");
58 for(i=0; i<arrSortData.Length; i++)
59 {
60 Response.Write(arrSortData[i] + " ");
61 }
62 Response.Write("<hr>");
63 // 在此处放置用户代码以初始化页面
64 }
65
66 //冒泡排序
67 private int[] bubbleSort(int[] arrData)
68 {
69 if(arrData.Length <= 1)
70 {
71 return arrData;
72 }
73 bool bAllHaveSort = false;
74 for(int i=arrData.Length-1; i>0 && !bAllHaveSort; i--)
75 {
76 for(int j=0; j<i; j++)
77 {
78 bAllHaveSort = true;
79 if(arrData[j] > arrData[j+1])
80 {
81 int temp = arrData[j];
82 arrData[j] = arrData[j+1];
83 arrData[j+1] = temp;
84 bAllHaveSort = false;
85 }
86 }
87 }
88 return arrData;
89 }
90 //快速排序
91 private int[] quickSort(int[] arrData)
92 {
93 if(arrData.Length <= 1)
94 {
95 return arrData;
96 }
97 for(int i=0; i<arrData.Length-1; i++)
98 {
99 for(int j=i+1; j<arrData.Length; j++)
100 {
101 if(arrData[i]>arrData[j])
102 {
103 int temp = arrData[i];
104 arrData[i] = arrData[j];
105 arrData[j] = temp;
106 }
107 }
108 }
109 return arrData;
110 }
111 //插入排序
112 private int[] insertSort(int[] arrData)
113 {
114 if(arrData.Length <= 1)
115 {
116 return arrData;
117 }
118 for(int i=1; i<arrData.Length; i++)
119 {
120 int temp = arrData[i];
121 int j = i;
122 while(j>0 && arrData[j]<arrData[j-1])
123 {
124 arrData[j] = arrData[j-1];
125 j--;
126 }
127 arrData[j] = temp;
128 }
129 return arrData;
130 }
131 //选择排序
132 private int[] selectSort(int[] arrData)
133 {
134 if(arrData.Length <= 1)
135 {
136 return arrData;
137 }
138 for(int i=0; i<arrData.Length-1; i++)
139 {
140 int min = i;
141 for(int j=i+1; j<arrData.Length; j++)
142 {
143 if(arrData[min]>arrData[j])
144 {
145 min = j;
146 }
147 }
148 int temp = arrData[i];
149 arrData[i] = arrData[min];
150 arrData[min] = temp;
151 }
152 return arrData;
153 }
154
155 Web 窗体设计器生成的代码
175 }
176}
177
转自:laifangsong