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| Option Explicit
Type IRC_
nick As String
mask As String
in As Boolean
End Type
Private nbTotal As Integer
Dim utbIRC() As IRC_
Dim rutb() As String
Function SortTab(ByVal orderAZ As Boolean, ByVal strLong As Integer, ByVal TabNb As Integer, ByVal debugZ As Boolean)
' parcours non optimal
' le tri portant sur 499 éléments d'une longueur de 49 caractères a pris 851.5625 ms
' sorttab True, 49, 499, True
Dim t0, t1 As Single
Dim i As Integer
Dim j As Integer
Dim iIndex As Integer
Dim CurrentVal As String
' charge le tableau de test
InitTab strLong, TabNb, debugZ
' démarrage du chrono de tri
t0 = Timer
' trouve la fin du tableau
nbTotal = 0
For i = 1 To UBound(utbIRC)
If Len(utbIRC(i).nick) > 0 Then
nbTotal = nbTotal + 1
Else
Exit For
End If
Next i
' redimensionne le tableau de résultat
ReDim rutb(nbTotal + 1)
' reclasse
' parcours le tableau initial
For i = 1 To nbTotal
For j = 1 To i
If CompareString(utbIRC(i).nick, rutb(j), orderAZ) = orderAZ Then
InsertRow j, utbIRC(i).nick
Exit For
End If
Next j
Next i
' affiche en mode debug s'il y a lieu
If debugZ Then
Debug.Print " ========= liste triée ========= "
For i = 1 To nbTotal
Debug.Print i, rutb(i)
Next i
End If
t1 = Timer
Debug.Print "le tri portant sur " & nbTotal & " éléments d'une longueur de " & strLong & " caractères a pris " & (t1 - t0) * 1000 & " ms"
End Function
' crée un tableau avec des valeurs aléatoires
Function InitTab(ByVal strLong As Integer, ByVal NbTab As Integer, debugZ As Boolean)
ReDim utbIRC(NbTab)
Dim i As Integer
Dim j As Integer
Randomize
For i = 1 To NbTab
For j = 1 To strLong
utbIRC(i).nick = utbIRC(i).nick & Chr(Int(Rnd * 25) + 65)
Next j
If debugZ Then Debug.Print i, utbIRC(i).nick
Next i
End Function
' compare la valeur asc des caractères pour déterminer l'ordre alpha
Function CompareString(ByVal Expr1 As String, ByVal Expr2 As String, ByVal orderAZ As Boolean) As Boolean
'?CompareString("ABDCEF","ZZZZZ")
Dim i As Integer
If Len(Expr2) = 0 Then
CompareString = orderAZ
Exit Function
End If
For i = 1 To MinZ(Len(Expr1), Len(Expr2))
If Asc(Mid(Expr1, i, 1)) < Asc(Mid(Expr2, i, 1)) Then
CompareString = True
Exit Function
ElseIf Asc(Mid(Expr1, i, 1)) > Asc(Mid(Expr2, i, 1)) Then
CompareString = False
Exit Function
End If
Next i
End Function
Function MinZ(ByVal Nbr1 As Integer, ByVal Nbr2 As Integer) As Integer
If Nbr1 > Nbr2 Then MinZ = Nbr2 Else MinZ = Nbr1
End Function
Function MaxZ(ByVal Nbr1 As Integer, ByVal Nbr2 As Integer) As Integer
If Nbr1 < Nbr2 Then MaxZ = Nbr2 Else MaxZ = Nbr1
End Function
'insère un élément à un tableau préexistant
Function InsertRow(ByVal Index As Integer, ByVal NewVal As String)
Dim i As Integer
For i = nbTotal - 1 To Index Step -1
rutb(i + 1) = rutb(i)
Next i
rutb(Index) = NewVal
End Function |
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