求解程序，是在一有序列中查找50 同时统计查找的次数并显示，查找次数 （填入空白处并给出原因）
求解程序，是在一有序列中查找50 同时统计查找的次数并显示，查找次数 （填入空白处并给出原因)

VB code

Private Sub Command16_Click()Dim m As Integer, i As Integer, j As Integer, x As Integer, total As Integer, f As BooleanDim a(1 To 8) As Integera(1) =7 : a(4) = 30: a(7) =80 a(2) = 8: a(5) =33: a(8) = 100 a(3) = 10 : a(6) = 50f = False: x = 50: i = 1: j = 8: to_tal = 0Do While  _____ And f = False         total = total + 1         m =________     If a(m) = x Then        f = True      Else            If x < a(m) Then               j = m - 1           Else               m = m + 1     End If   End IfLoopIf f = True ThenLabel5.Caption =  _________Else Label5.Caption = "找不到该数据"End IfEnd Sub

VB code

Private Sub Command1_Click()Dim m As Integer, i As Integer, j As Integer, x As Integer, total As Integer, f As BooleanDim a(1 To 8) As Integera(1) = 7: a(4) = 30: a(7) = 80a(2) = 8: a(5) = 33: a(8) = 100a(3) = 10: a(6) = 50f = False: x = 17: i = 1: j = 8: to_tal = 0    Do While total < UBound(a) And f = False        total = total + 1        m = total        If a(m) = x Then            f = True        Else            If x < a(m) Then                j = m - 1            Else                m = m + 1            End If        End If    Loop    If f = True Then        Label1.Caption = "查找了 " & total & " 次,找到序列为 a(" & m & ")"    Else        Label1.Caption = "找不到该数据"    End IfEnd Sub
[解决办法]
根据代码，应该是有序序列的居中开始查找，最大查找次数可以比上面的代码减半……但是代码又有一个地方不符
           If x < a(m) Then
               j = m - 1
          Else
               j = m + 1
          End If