by Mike grrrr (1 Submission)
Category: Miscellaneous
Compatability: VB 6.0
Difficulty: Unknown Difficulty
Originally Published: Sun 17th March 2002
Date Added: Mon 8th February 2021
Rating: 
(1 Votes)
This finds friendly numbers. There are two numbers. The program takes the integral factors of each number that it uses in a count thing and
API Declarations
Dim lngAnswer As Long
Dim blnFound As Boolean
Dim lngCount As Long
Dim lngAnswer1 As Long
Dim lngAnswer2 As Long
Dim intStop As Integer
Dim strStop1 As String
Dim intStop1 As Integer
Dim lngCount2 As Long
VBcoders
strStop1 = InputBox("Please enter the number of friendly numbers you would like to find, from 1 to 30.", "Startup")
If strStop1 = "" Then
End
ElseIf strStop1 > 30 Then
MsgBox "That number is too high to be calculated. Please restart the form", vbOKOnly, "Too High"
End
End If
intStop1 = strStop1
intStop = 0
lngCount = 0
blnFound = False
LblAnswer.Caption = ""
Do Until blnFound = True
lngCount = lngCount + 1
Call Find(lngCount, lngAnswer)
If lngAnswer >= lngCount Then
lngAnswer1 = lngAnswer
Find lngAnswer, lngAnswer2
blnFound = Friendly(lngAnswer1, lngAnswer2, lngCount, lngAnswer)
If blnFound = True Then
LblAnswer.Caption = LblAnswer.Caption & "The numbers " & lngCount & " and " & lngAnswer & " are friendly numbers."
intStop = intStop + 1
End If
End If
If blnFound = True Then
blnFound = False
LblAnswer.Caption = LblAnswer.Caption & vbCrLf
If intStop >= intStop1 Then
blnFound = True
MsgBox "The quest to find the first " & intStop & " friendly numbers comes to a stop.", vbOKOnly, "Done"
End If
End If
Loop
End Sub
Sub Find(ByVal lngNum As Long, lngSum As Long)
lngSum = 0
For lngCount2 = 1 To lngNum - 1
If (lngNum Mod lngCount2) = 0 Then
lngSum = lngSum + lngCount2
End If
Next lngCount2
End Sub
Function Friendly(ByVal lngSum1 As Long, lngSum2 As Long, lngNum1 As Long, lngNum2 As Long) As Boolean
Friendly = False
If lngSum1 = lngNum2 And lngSum2 = lngNum1 Then
Friendly = True
End If
If lngNum1 = lngNum2 Then
Friendly = False
End If
End Function
Private Sub CmdPrint_Click()
PrintForm
End Sub
Private Sub CmdQuit_Click()
Unload Me
End Sub
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