产生20个随机数
DIM vRtn(1 to 20) as Integer
DIM i as Integerfor i=1 to 20
vRtn(i)=Int(100* Rnd + 1)
next
DIM vRtn(1 to 20) as Integer
DIM i as Integerfor i=1 to 20
vRtn(i)=Int(100* Rnd + 1)
next
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Randomize Timer
i=0
c=false
do while i<20
b=int(rnd*100)+1
for j=i to 0
if a(i)=b then c=true
next j
if not c then
a(i)=b
i=i+1
end if
loop
dim a(19) as integer
Randomize Timer
i=0
c=false
do while i<20
b=int(rnd*100)+1
for j=i to 0
if a(i)=b then c=true
next j
if not c then
a(i)=b
i=i+1
c=false'就这行‘//
end if
loop
在窗体上放置一个列表框和一个按钮
Private Sub Command1_Click()
List1.Clear
Dim list(20) As Integer
Dim i As Integer, k As Integer
Dim TempNumber As Integer
While k < 20
TempNumber = Int(Rnd(Second(Now) + Timer) * 100)
For i = 0 To k
If TempNumber = list(i) Then Exit For
Next
If i = k + 1 Then
list(k) = TempNumber
k = k + 1
List1.AddItem TempNumber
End If
Wend
End Sub
for i=1 to 20
a(i)=int(rnd*100)+1
for j=1 to i-1
if a(i)=a(j) then
i=i-1
end if
next j
next i
'Dim a() As Integer '声明数组变量 整齐的数组
'Dim c() As Integer '随机的数组
'Dim Max As Integer '最大的随机数
'Dim i As Integer
'Dim j As Integer
'Dim k As Integer
'Dim tt As Single
' Text1.Text = ""
' tt = Timer
' Max = Val(Text2.Text)
' ReDim a(Max)
' ReDim c(Max) 'ReDim Preserve c(i) As Integer
'
' MousePointer = 13 '光标设为 等待
' For i = 1 To Max
' a(i) = i
' Next i
' '-----------------------------------------------↓
' Randomize Timer '产生随机数种子
' For i = 1 To Max
' '从 1 开始 范围一直在缩小
' k = Int(Rnd * (Max - i + 1)) + 1
' c(i) = a(k) '从a()中随机选一个
' For j = k To Max - i
' a(j) = a(j + 1) '把a()中的没有被选到的数重新排好
' Next j
' Next i
' '-----------------------------------------------↑
' Open "C:\不同随机数.txt" For Output As #1
' For i = 1 To Max
' Print #1, c(i); ","; '写到文件中
' Next i
' Close #1
' '-----------------------------------------------↓
''20,15,11,8,16,4,18,12,14,6,3,19,7,10,13,5,1,9,17,2,
'Private Sub Command2_Click()
'Dim a(1000) As Integer
'Dim temp As Integer
'Dim i As Integer
'Dim j As Integer
'Dim k As Integer
''Dim tt As Single
'' Text1.Text = ""
'' tt = Timer
' temp = Val(Text2.Text)
' Randomize Timer
' MousePointer = 13
' For i = 1 To temp '产生随机数
' a(i) = Int(Rnd * temp) + 1
' k = i
' For j = 1 To k - 1 '如果相同则这个数不要 重新选取
' If a(j) = a(k) Then i = i - 1
' Next j
' Next i
'
' For i = 1 To temp
' Text1.Text = Text1.Text & a(i) & ","
' Next i
' ' Text3.Text = Timer - tt
' Text1.Text = Text1.Text & Chr(13) + Chr(10)
'
' With Text1
' .SelStart = 0
' .SelLength = Len(.Text)
' End With
' MousePointer = 0
'End Sub
Dim a(50) As Integer
Dim i As Integer
Dim j As Integer
Dim k As Integer
Randomize Timer
For i = 1 To 20 '产生随机数
a(i) = Int(Rnd * 100) + 1
k = i
For j = 1 To k - 1 '如果相同则这个数不要 重新选取
If a(j) = a(k) Then i = i - 1
Next j
Next i
For i = 1 To 20
Text1.Text = Text1.Text & a(i) & ","
Next i
Text1.Text = Text1.Text & Chr(13) + Chr(10)
End Sub