vb.net的隨機(jī)3個(gè)數(shù)字，然后排序一下

給你一個(gè)最簡(jiǎn)單的冒泡排序代碼：

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將三個(gè)數(shù)放到一個(gè)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)

求vb.net(vb2010)程序代碼 產(chǎn)生30個(gè)50以?xún)?nèi)的隨機(jī)正整數(shù)，將他們從大到小排序后輸出

vb2010寫(xiě)的：

Private?Sub?Button7_Click(ByVal?sender?As?System.Object,?ByVal?e?As?System.EventArgs)?Handles?Button7.Click

Dim?str?As?String?=?""

Dim?a(30)?As?Integer

Dim?temp?As?Integer

str?=?str??"生成的30個(gè)隨機(jī)數(shù)字是?"??vbCrLf

For?i?=?1?To?30

a(i)?=?Int(Rnd()?*?50?+?1)

str?=?str??a(i)??"?"

If?i?Mod?10?=?0?Then

str?=?str??vbCrLf

End?If

Next

str?=?str??vbCrLf

For?i?=?1?To?30

For?j?=?1?To?30?-?i

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

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

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

a(j)?=?temp

End?If

Next?j

Next?i

str?=?str??"排序后的數(shù)字是?"??vbCrLf

For?i?=?1?To?30

str?=?str??a(i)??"?"

If?i?Mod?10?=?0?Then

str?=?str??vbCrLf

End?If

Next

TextBox6.Text?=?str

End?Sub

運(yùn)行結(jié)果：

生成的30個(gè)隨機(jī)數(shù)字是

36 27 29 15 16 39 1 39 41 36

3 21 44 40 19 49 44 3 48 19

27 39 3 30 24 15 32 33 14 14

排序后的數(shù)字是

49 48 44 44 41 40 39 39 39 36

36 33 32 30 29 27 27 24 21 19

19 16 15 15 14 14 3 3 3 1

編寫(xiě)一個(gè) VB.NET 程序,產(chǎn)生 100 個(gè) 100 以?xún)?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(gè)元素賦值，并換每行十個(gè)數(shù)字輸出來(lái)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(duì)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