例2-33.frm

Visual Basic程序设计基础》-杨小影-源代码

VERSION 5.00
Begin VB.Form Form1 
   Caption         =   "Form1"
   ClientHeight    =   3195
   ClientLeft      =   60
   ClientTop       =   345
   ClientWidth     =   4680
   LinkTopic       =   "Form1"
   ScaleHeight     =   3195
   ScaleWidth      =   4680
   StartUpPosition =   3  '窗口缺省
   Begin VB.CommandButton Command1 
      Caption         =   "Command1"
      Height          =   615
      Left            =   1320
      TabIndex        =   0
      Top             =   1680
      Width           =   1575
   End
End
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Dim a(), b()
Private Sub Form_Click()                  '产生数组a和b
    ReDim a(1 To 10)
ReDim b(1 To 10)
    For i = 1 To 10
a(i) = Int(Rnd * 31 + 40)
Print a(i);
Next i
Print
    For i = 1 To 10
b(i) = Int(Rnd * 21 + 40)
Print b(i);
Next i
Print
End Sub
Private Sub Command1_Click()
    Dim myrecord As Integer
    For k = 1 To 10
      For l = 1 To 10
  If a(k) = b(l) Then               '在b中找到a中的元素
            Call delete(a, k, 9 - n)
            n = n + 1                        'n存放找到的元素个数
         End If
      Next l
    Next k
    For i = 1 To 10 - n
Print a(i);
Next i                                   'a中只剩下10-n个有效元素
End Sub
Public Sub delete(x(), m, n)
    For i = m To n
x(i) = x(i + 1)
Next i                                   '依次前移
      x(n + 1) = 0                          '最后一个元素清零
End Sub