vb.net冒泡法排序,vb冒泡排序和選擇排序

vb編程 產(chǎn)生10個50-100(包括50和100)的隨機(jī)整數(shù)，并用“冒泡排序”按從小到大的順序輸出。

Private?Sub?Command1_Click()

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Dim?a(1?To?10)?As?Integer

Dim?i?As?Integer,?j?As?Integer

Print?"隨機(jī)取到的10個50-100(包括50和100)的隨機(jī)整數(shù)為"

For?i?=?1?To?10

Randomize

a(i)?=?Int(Rnd()?*?51?+?50)

Print?a(i);

Next?i

Print

Print?"用“冒泡排序”按從小到大的順序排序后"

For?i?=?1?To?10

For?j?=?1?To?10?-?i

If?a(j)??a(j?+?1)?Then

t?=?a(j)

a(j)?=?a(j?+?1)

a(j?+?1)?=?t

End?If

Next?j

Next?i

For?i?=?1?To?10

Print?a(i);

Next?i

End?Sub

VB.NET數(shù)組的排序法？

如果你是從vb6剛過渡上vb。net，建議還是用冒泡排序法，容易理解。

如果你正努力學(xué)習(xí)vb。net的方法，推薦一個例子如下：

Imports System

Imports System.Collections

Public Class SamplesArray

Public Class myReverserClass

Implements IComparer

' Calls CaseInsensitiveComparer.Compare with the parameters reversed.

Function Compare(x As Object, y As Object) As Integer _

Implements IComparer.Compare

Return New CaseInsensitiveComparer().Compare(y, x)

End Function 'IComparer.Compare

End Class 'myReverserClass

Public Shared Sub Main()

' Creates and initializes a new Array and a new custom comparer.

Dim myArr As [String]() = {"The", "QUICK", "BROWN", "FOX", "jumps", "over", "the", "lazy", "dog"}

Dim myComparer = New myReverserClass()

' Displays the values of the Array.

Console.WriteLine("The Array initially contains the following values:")

PrintIndexAndValues(myArr)

' Sorts a section of the Array using the default comparer.

Array.Sort(myArr, 1, 3)

Console.WriteLine("After sorting a section of the Array using the default comparer:")

PrintIndexAndValues(myArr)

' Sorts a section of the Array using the reverse case-insensitive comparer.

Array.Sort(myArr, 1, 3, myComparer)

Console.WriteLine("After sorting a section of the Array using the reverse case-insensitive comparer:")

PrintIndexAndValues(myArr)

' Sorts the entire Array using the default comparer.

Array.Sort(myArr)

Console.WriteLine("After sorting the entire Array using the default comparer:")

PrintIndexAndValues(myArr)

' Sorts the entire Array using the reverse case-insensitive comparer.

Array.Sort(myArr, myComparer)

Console.WriteLine("After sorting the entire Array using the reverse case-insensitive comparer:")

PrintIndexAndValues(myArr)

End Sub 'Main

Public Shared Sub PrintIndexAndValues(myArr() As [String])

Dim i As Integer

For i = 0 To myArr.Length - 1

Console.WriteLine(" [{0}] : {1}", i, myArr(i))

Next i

Console.WriteLine()

End Sub 'PrintIndexAndValues

End Class 'SamplesArray

'This code produces the following output.

'

'The Array initially contains the following values:

' [0] : The

' [1] : QUICK

' [2] : BROWN

' [3] : FOX

' [4] : jumps

' [5] : over

' [6] : the

' [7] : lazy

' [8] : dog

'

'After sorting a section of the Array using the default comparer:

' [0] : The

' [1] : BROWN

' [2] : FOX

' [3] : QUICK

' [4] : jumps

' [5] : over

' [6] : the

' [7] : lazy

' [8] : dog

'

'After sorting a section of the Array using the reverse case-insensitive comparer:

' [0] : The

' [1] : QUICK

' [2] : FOX

' [3] : BROWN

' [4] : jumps

' [5] : over

' [6] : the

' [7] : lazy

' [8] : dog

'

'After sorting the entire Array using the default comparer:

' [0] : BROWN

' [1] : dog

' [2] : FOX

' [3] : jumps

' [4] : lazy

' [5] : over

' [6] : QUICK

' [7] : the

' [8] : The

'

'After sorting the entire Array using the reverse case-insensitive comparer:

' [0] : the

' [1] : The

' [2] : QUICK

' [3] : over

' [4] : lazy

' [5] : jumps

' [6] : FOX

' [7] : dog

' [8] : BROWN

vb.net的隨機(jī)3個數(shù)字，然后排序一下

給你一個最簡單的冒泡排序代碼：

將三個數(shù)放到一個數(shù)組中。

a(0)=val(text1.text):a(1)=val(text2.text):a(2)=val(text3.text)

dim flag as Boolean,temp as Integer

for i = 0 to 2

flag = true

for j = 2 to 1

if a(j)a(j-1) then

temp = a(j-1)

a(j-1) = a(j)

a(j) = temp

flag = false

end if

next j

if flag then Exit For

next i

text4.text=a(0):text5.text=a(1):text6.text=a(2)

vb.net冒泡排序法代碼

試試看：

For?i?=?LBound(moto)?To?UBound(moto)?-?1

For?j?=?LBound(moto)?To?UBound(moto)?-?1?-?i

If?moto(j)??moto(j?+?1)?Then

t?=?moto(j)

moto(j)?=?moto(j?+?1)

moto(j?+?1)?=?t

End?If

Next?j

Next?i

For?i?=?LBound(moto)?To?UBound(moto)

Print?moto(i);

Next?i

編寫一個 VB.NET 程序,產(chǎn)生 100 個 100 以內(nèi)的隨機(jī)數(shù)，將他們從大到小排序后輸出

Private Sub Command1_Click()

Dim a(1 To 100) As Integer

Dim i As Integer, j As Integer, k As Integer

For i = 1 To 100 '給數(shù)組a一百個元素賦值，并換每行十個數(shù)字輸出來窗體上

a(i) = Int(Rnd * 101)

k = k + 1

Print Tab((k - 1) * 5); a(i);

If k = 10 Then k = 0: Print

Next i

Print

Print

For i = 100 To 2 Step -1 '用冒泡排序法對數(shù)組進(jìn)行排序

For j = 1 To i - 1

If a(j) a(j + 1) Then

t = a(j): a(j) = a(j + 1): a(j + 1) = t

End If

Next j

Next i

For i = 1 To 100 '輸出排好序的數(shù)組

k = k + 1

Print Tab((k - 1) * 5); a(i);

If k = 10 Then k = 0: Print

Next i

End Sub

VB.NET中的“冒泡排序”問題

如果五個號碼為數(shù)組元素（1）到（5），正確的排序過程：

對于i = 1至4

對于L = 1到5 - 如果A（L）（L +1）

N = A（L）

A（L），= A（L +1）

（L +1） =

結(jié)束如果下一頁l

接下來，我

能夠到第一臺計算機(jī)來驗證結(jié)果，然后分析程序。

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