BB平台VB程序匹配题.doc

  问题 3
2.25 分  
保存  

从键盘输入一段英文文章（都是小写字母），统计一下该段文章中26个英文字母的使用情况。
Private Sub Form_Click()
  Dim c(1 To 26) As Integer
  Dim n As Integer, k As Integer
  Dim s As String, xs As String
  For i = 1 To 26
      c(i) = 0
  Next i
            (1)        
            (2)        
  For i = 1 To n
                (3)            
      If xs >= "a" And xs <= "z" Then
                    (4)          
                    (5)        
      End If
  Next i
  For i = 1 To 26
      Print Chr(96 + i); "----"; c(i)
  Next i
End Sub

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(5)

1.
n = Len(s)
2.
c(k) = c(k) + 1
3.
k = Asc(xs) – 96
4.
s = InputBox("s=")
5.
xs = Mid(s, i, 1)

  问题 4
2.25 分  
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单击窗体，产生20个从1到600之间的随机整数，并以每行5个把数据显示在窗体上，并在窗体上显示20个数据中的所有偶数之和。
Private Sub Form_Click()
              (1)        
    s = 0
 For i = 1 To 20
    Randomize
                 (2)        
       Print x;
                 (3)         
       If           (4)         Then s = s + x
    Next i
              (5)        
End Sub

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(5)

1.
If i mod 5 =0 Then Print
2.
Dim i As Integer, x As Integer, s as Long
3.
Print "s="; s
4.
x Mod 2 = 0
5.
x = Int(600*Rnd+1)

  问题 5
2.25 分  
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实现文本框的复制、剪切、粘贴、删除功能
Private Sub Command1_Click()
          (1)        
 Clipboard.SetText Text1.SelText
End Sub
Private Sub Command2_Click()
Clipboard.Clear
          (2)        
           (3)        
End Sub
Private Sub Command3_Click()
          (4)        
End Sub
Private Sub Command4_Click()
          (5)        
End Sub

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1.
Text1.SelText = ""
2.
Text1.SelText = ""
3.
Text1.SelText = Clipboard.GetText
4.
Clipboard.Clear
5.
Clipboard.SetText Text1.SelText

  问题 6
2.25 分  
保存  

调用VB的RND和INT函数，在当前工作表的A列的1—10行输入序号1—10，B列的1—10行填入0—1之间的随机数，C列的1—10行填入两位正整数，最后在C列的11行求出该列的最大数（调用EXCEL的内部MAX函数）。
Sub random()
    Dim i As Integer, c As String
    For i = 1 To 10
                  (1)         
                  (2)        
    Next i
    For i = 1 To 10
                  (3)        
        Range(c) = Rnd
    Next i
    For i = 1 To 10
        c = "C" & i
                  (4)        
Next i
          (5)        
End Sub

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(5)

1.
c = "B" & i
2.
Range(c) = i
3.
Range("C11") = Application.WorksheetFunction.Max(Range("C1:C10"))
4.
Range(c) = Int(Rnd * 90) + 10
5.
 c = "A" & i

  问题 7
2.25 分  
保存  

编制Form_Click过程，用近似公式求自然对数的底数e的值，直到末项小于10-4为止，结果显示在窗体上。
Private Sub Form_Click()
   Dim s As Single, x As Single, a As Single
   a = 1
          (1)        
i = 1            
   Do          (2)            
                  (3)        
                  (4)        
     i = i + 1
   Loop  
   (5)
End Sub

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(5)

1.
While a >= 0.0001
2.
Print "e="; s
3.
s = s + a
4.
a = a / i
5.
s = 1

  问题 8
2.25 分  
保存  

从键盘输入一个字符串，然后将该字符串中的每个字符按ASCII码值的大小从小到大进行重新组合输出。如：输入abc123XYZ，处理后应输出123XYZabc。(难度系数**)
Private Sub Form_Click()
  Dim c(100) As String
  Dim n As Integer
  Dim s As String, nc As String, temp As String
  s = InputBox("s=")
            (1)        
  For i = 1 To n
                (2)        
  Next i
  For i = 1 To n - 1
    For j = i + 1 To n
                 (3)        
                   (4)        
         c(i) = c(j)
         c(j) = temp
       End If
    Next j
  Next i
  nc = ""
  For i = 1 To n
                (5)        
  Next i
  Print nc
End Sub

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(5)

1.
nc = nc & c(i)
2.
temp = c(i)
3.
If c(i) > c(j) Then
4.
n = Len(s)
5.
c(i) = Mid(s, i, 1)

  问题 9
2.25 分  
保存  

利用二维数组编程输出“杨辉三角形”图案，图案行数n从键盘输入。
Private Sub Form_Click()
  Dim x()  As Integer
  Dim n As Integer
            (1)        
            (2)        
            (3)        
  For i=2 To n
    For j=1 To i
       (4)
    Next j
  Next i
  For i=1 To n
    For j=1 To i
        Print x(i,j);
    Next j
              (5)        
  Next i
End Sub

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1.
Print
2.
Redim x(n,n)
3.
n = InputBox("n=")
4.
x(i,j) = x(i-1,j) + x(i-1,j-1)
5.
x(1,1)=1

  问题 10
2.25 分  
保存  

随机产生100个学生的成绩（35~98之间），统计各分数段的人数。即0~9、10~19、、20~29、30~39、40~49、50~59、60~69、70~79、80~89、90~99，并输出结果。
Private Sub Form_Click()
  Dim a(1 To 100) As Integer
            (1)        
  For i = 1 To 100
                (2)        
  Next i
  For i = 0 To 9
      c(i) = 0
  Next i
            (3)        
                (4)        
      c(k) = c(k) + 1
  Next i
            (5)        
      Print 10*i;"~";10*i+9;"----";c(i)
  Next i
End Sub

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1.
For i = 1 To 100
2.
For i = 0 To 9
3.
Dim c(9) As Integer
4.
k = Int(a(i) / 10)
5.
a(i) = Int(Rnd * 64)+35

  问题 11
2.25 分  
保存  

建立一个“猜数程序”。单击窗体，产生一个2位的随机正整数。在文本框Text1中输入你猜测的数字，单击按钮Command1在窗体上显示猜测结果：如果你输入的数字比程序生成的随机数要大，则显示“大了”；如果比程序生成的随机数要小则“小了”；然后继续输入数字进行猜测。如果猜中，则显示“恭喜你猜中啦！”，并用消息框显示一共猜了几次。 
Dim n As Integer, k As Integer
          (1)        
  Randomize
            (2)        
End Sub
Private Sub Command1_Click()
  Dim x As Integer
            (3)        
  k = k + 1
  If x > n Then
     Print x; "大了"
            (4)        
     Print x; "小了"
  Else
      Print x; "恭喜你猜中了！"
      MsgBox "一共猜了" & k & "次"
  End If
          (5)        

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1.
n = Int(Rnd * 90) + 10
2.
Private Sub Form_Click()
3.
ElseIf x < n Then
4.
End Sub
5.
x = Text1.Text

  问题 12
2.25 分  
保存  

单击窗体，从输入框InputBox输入x和n，并计算下列表达式的值，直至末项小于 为止，结果显示在窗体。
Private Sub Form_Click()
   Dim s As Single, x As Single, a As Single
   x = Val(InputBox("输入x"))
   (1)
s = 1
i = 0
   Do
                   (2)        
                   (3)        
         s = s + a
   Loop          (4)        
   (5)
End Sub

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1.
i = i + 1
2.
a = a * x / i
3.
Print "s="; s
4.
While  a >= 0.00001
5.
a = 1

  问题 13
2.25 分  
保存  

从1到10000中找出这样的数，该数各个位的数字的阶乘相加之和等于该数，并将结果输出。已知fact函数用于计算阶乘。
Private Function fact(ByVal k As Integer) As Long
Dim i As Integer
          (1)        
For i = 2 To k
   fact = fact * i
Next i
End Function

Private Sub Form_Click()
Dim k as integer, a as string, n as long, i as integer
Dim p As Integer
For k = 1 To 10000
          (2)        
    n = 0
    For i=  1 To Len(a) 
                  (3)        
                 (4)        
    Next i
              (5)        
Next k
End Sub

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1.
fact = 1
2.
If n = k Then Print k
3.
n = n + fact(p)
4.
p = Val(Mid(a, i, 1))
5.
a = CStr(k)

  问题 14
2.25 分  
保存  

输入10个数放入数组中，将第1个数移到最后位置，其余数依次往前移动一个位置。
Private Sub Form_Click()
            (1)        
  Dim t As Integer
  For i = 1 To 10
                (2)        
  Next i
  For i = 1 To 10
      Print x(i);
  Next i
  Print
            (3)        
  For i = 1 To 10-1
                (4)        
  Next i
  x(10) = t
  For i = 1 To 10
                (5)        
  Next i
  Print
End Sub

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1.
Dim x(10) As Integer
2.
x(i) = InputBox("x(" & i & ")=")
3.
Print x(i)
4.
t = x(1)
5.
x(i) = x(i+1)

  问题 15
2.25 分  
保存  

随机产生200个互不相等的三位正整数并按每10个一行输出。
Private Sub Form_Click()
  Dim a(200)  As Integer
  Dim k As Integer,x As Integer
  Dim f As Integer
            (1)        
  Do While k<200
    x = Int(Rnd*900)+100
    f=1
    For i=1 To k
        If a(i)=x Then           (2)        
    Next i
    If f=1 Then
                  (3)        
                  (4)        
    End if
  Loop
  For i=1 To k
      Print a(i);
     (5)
  Next i
End Sub

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(5)

1.
k=k+1
2.
f=0
3.
a(k)=x
4.
If i Mod 10=0 Then Print
5.
k=0

  问题 16
2.25 分  
保存  

随机产生10个6—100之间的偶数，对每个数进行哥德巴赫猜想（Goldbach Conjecture）验证。其中判断一个整数是否为素数用以下Prime函数。
Function Prime(x As Integer) As Boolean
    Dim i As Integer
    Prime = True
    For i = 2 To x - 1
        If x Mod i = 0 Then
            Prime = False
            Exit For
        End If
    Next i
End Function

Sub Goldbach()
    Dim i As Integer, a As Integer, b As Integer
    ActiveSheet.Cells.Clear
    Cells(1, 1) = ">6的偶数"
    Cells(1, 2) = "第一个素数"
              (1)        
    For i = 1 To 10
                  (2)        
    Next i
    For i = 2 To 11
                  (3)        
            If Prime(a) And Prime(Cells(i, 1) - a) Then
                         (4)        
                         (5)        
               Exit For
            End If
        Next a
    Next i
End Sub

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1.
Cells(1, 3) = "第二个素数"
2.
Cells(i, 2) = a
3.
For a = 3 To Cells(i, 1) / 2
4.
Cells(i, 3) = Cells(i, 1) - a
5.
Cells(i + 1, 1) = (Int(Rnd * 48) + 3) * 2

  问题 17
2.25 分  
保存  

单击窗体，根据输入框所输入的百分制成绩score，在窗体上显示相应的等级，即“优秀”(score>=90)、“良好”(80<=score<90)、“中”(70<=score<80)、“及格”(60<=score<70)、“不及格”(score<60)。 
Private Sub Form_click()
            (1)        
  score = Val(InputBox("请输入成绩"))
  If           (2)         Then
      Print "优秀"
  ElseIf score >= 80 Then
      Print "良好"
  ElseIf score >= 70 Then
      Print "中"
            (3)        
                (4)        
  Else
      Print "不及格"
            (5)        
End Sub

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1.
Print "及格"
2.
End If
3.
ElseIf score >= 60 Then
4.
Dim score As Integer
5.
score >= 90

  问题 18
2.25 分  
保存  

单击窗体，从输入框InputBox输入一个整数，判断其是否为素数。例如输入7，则屏幕上显示“7是素数”；如果输入的是9则屏幕上显示“9不是素数”。
Private Sub Form_Click()
   Dim i As Integer, n As Integer, Prime As String
   n = Val(InputBox("n="))
   If n < 2 Then
                  (1)        
   Else
                  (2)        
           If n Mod i = 0 Then Exit For   
        Next i
                  (3)             
                     (4)        
        Else
           Prime = "不是素数"
        End If
   End If
   (5)
End Sub

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1.
Prime = "不是素数"
2.
For i = 2 To n-1
3.
If i > n-1 Then
4.
Print n & Prime
5.
Prime = "是素数"

  问题 19
2.25 分  
保存  

1、 在文本框Text1中输入一个正整数，单击按钮Command1，判断该数的奇偶性，结果显示在标签框label2中，要求偶数用蓝色显示，奇数用红色显示。
Private Sub Command1_Click()
  Dim x As Integer
          (1)        
  If           (2)          Then
    Label2.ForeColor = vbBlue
              (3)        
            (4)        
              (5)        
    Label2.Caption = x & "是奇数"
  End If
End Sub

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1.
x Mod 2 = 0
2.
Else
3.
Label2.ForeColor = vbRed
4.
x = Val(Text1.Text)
5.
Label2.Caption = x & "是偶数"

  问题 20
2.25 分  
保存  

编写程序，在工作表上打印九九乘法表如下。
Sub print99()
    Dim i As Integer, j As Integer
              (1)        
    For i = 1 To 9
        Cells(1, i + 1) = i
        Cells(i + 1, 1) = i
    Next i
              (2)        
                  (3)        
                      (4)        
        Next j
    Next i
    Range("A:A").Font.Bold = True
    Range("A:A").HorizontalAlignment = xlCenter
              (5)        
    Range("1:1").HorizontalAlignment = xlCenter
End Sub

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1.
Range("1:1").Font.Bold = True
2.
Cells(i + 1, j + 1) = i * j
3.
For i = 1 To 9
4.
ActiveSheet.Cells.Clear
5.
For j = i To 9

  问题 21
2.25 分  
保存  

在工作表1上创建“控件工具箱”命令按钮“产生数据”（CommandButton1）和“判断”（CommandButton2）。 单击“产生数据”按钮完成在A1：A10上产生两位随机正整数；单击“判断”按钮完成将其中重复数用红色标注。
Private Sub CommandButton1_Click()
    Dim i As Integer
              (1)        
    For i = 1 To 10
                  (2)        
    Next i
End Sub
Private Sub CommandButton2_Click()
    Dim i As Integer, j As Integer
    For i = 1 To 9
                  (3)        
                      (4)        
                          (5)        
            End If
        Next j
    Next i
End Sub

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(5)

1.
For j = i + 1 To 10
2.
If Cells(i, 1) = Cells(j, 1) Then
3.
ActiveSheet.Cells.Clear
4.
Cells(i, 1) = Int(Rnd * 90) + 10
5.
Cells(j, 1).Font.Color = vbRed

  问题 22
2.25 分  
保存  

从文本框Text1输入一个二进制正整数，单击窗体，在窗体上打印出相应的十进制数；且文本框中只允许输入0和1。
Private Sub Form_Click()
  Dim s As String, a As String, n As Integer, x As Long
            (1)        
  n = Len(s)
  For i = 1 To n
              (2)        
    x = x + Val(a) * 2 ^ (i - 1)
  Next i
            (3)        
End Sub
Private Sub Text1_KeyPress(KeyAscii As Integer)
  If           (4)         Then
                (5)        
  End If
End Sub

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(5)

1.
KeyAscii < Asc("0") Or KeyAscii > Asc("1")
2.
Print x
3.
KeyAscii = 0
4.
s = Text1.Text
5.
a = Mid(s, n + 1 - i, 1)

  问题 23
2.25 分  
保存  

随机产生两位数的整数放入一个5行5列的二维数组中，求该二维数组对角线上最大值所在的行和列。
Private Sub Form_Click()
  Dim a(1 To 5, 1 To 5) As Integer, max As Integer
  Dim pi As Integer, pj As Integer
  Randomize
  For i = 1 To 5
    For j = 1 To 5
        a(i, j) = Int(Rnd * 90 + 10)
    Next j
  Next i
  For i = 1 To 5
    For j = 1 To 5
        Print a(i, j);
    Next j
              (1)        
  Next i
  max = a(1, 1)
            (2)        
  pj = 1
  For i = 1 To 5
    For j = 1 To 5
                  (3)        
                    (4)        
             max = a(i, j)
             pi = i
                       (5)        
          End If
        End If
    Next j
  Next i
  Print "对角线上最大值在第"; pi; "行和第"; pj; "列"
End Sub

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(5)

1.
pi = 1
2.
If i = j Or i + j = 6 Then
3.
pj = j
4.
Print
5.
If max < a(i, j) Then

  问题 24
2.25 分  
保存  

产生10个[30，50]的随机整数，并按从小到大的顺序打印出来，要求调用Swap子过程。
Public Sub Swap(a As Integer, b As Integer)
Dim temp As Integer
temp = a
          (1)        
          (2)        
End Sub

Private Sub Form_Clic