(填字母:A、解析算法 B、枚舉算法) 實現(xiàn)上述功能的VB程序如下,請在橫線處填入合適的代碼。 Private Sub Command1_Click ( ) Dim i As Integer,x As Integer,c As Integer c=0 For i=1000To 9999 x=①
If ②
And x=7Then ③
'將符合條件的四位數(shù)顯示在列表框中 num=num+1 End If Next i Label2.Caption=“共有:“+④
屬性的屬性值改為“查找”。 (2)實現(xiàn)上述功能的VB程序如下,請在橫線處填入合適的代碼。 Private Sub Command1_Click ( ) Dim result As String,s As String,c As String Dim n As Integer,i As Integer,j As Integer s=Text1.Text Text2.Text=““ For i=1To Len(s) ①
If n>=65And n<=90Or n>=97And n<=122Then ②
End If Next i Text2.Text=result j=2 c=Mid(result,1,1) Do While j<=Len(result) If Mid(result,j,1)<c Then c=Mid(result,j,1) ③