Exercice VB: Manipulation de Tableau à une seul dimension

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Module module1

    Dim tab(9) As Integer
    Dim pos As Integer
    Dim element As Integer

    Sub menu()
        Console.WriteLine("*MENU DE CHOIX ((((Exercice Tableau))))*")
        Console.WriteLine("  1. ***RANDOMIZER*** ")
        Console.WriteLine("  2.***TRI_PAR_BULLE*** ")
        Console.WriteLine("  3.***AFFICHAGE*** ")
        Console.WriteLine("  4.***TRI_PAR_PERMUTATION***")
        Console.WriteLine("  5.***TRI_PAR_INSERTION***")
        Console.WriteLine("  6.***TRI_PAR_SELECTION***")
        Console.WriteLine("  7.***AJOUTER NOUVEAU ELEMENT***")
        Console.WriteLine("  8.***RECHERCHE_ DICHOTOMIQUE***")
    End Sub
    Sub Main()
        menu()
        Dim rep As Boolean
        Do
            Dim choise As Integer
            Console.WriteLine(" QUEL EST VOTRE CHOIX ?")
            choise = Console.ReadLine
            Select Case choise
                Case 1
                    randomize()
                Case 2
                    tri_par_bulle()
                Case 3
                    affichage()
                Case 4
                    tri_par_permutation()
                Case 5
                    tri_par_insertion()
                Case 6
                    tri_selection()
                Case 7
                    ajout(tab, element, pos)
                Case 8
                    recherche_dichotomique()
                Case Else
                    Console.WriteLine(" CE CHOIX N'EST PAS TRAITé ")
            End Select
        Loop While (rep = False)
        Console.ReadLine()
    End Sub

    Sub tri_par_bulle()

        Dim inversion As Boolean
        Dim tampon As String
        Do
            inversion = False
            For i As Integer = 0 To 8
                If tab(i + 1) < tab(i) Then
                    tampon = tab(i)
                    tab(i) = tab(i + 1)
                    tab(i + 1) = tampon
                    inversion = True
                End If
            Next
        Loop Until inversion = False
        affichage()
    End Sub
    Sub affichage()

        For i = 0 To 9
            Console.Write(tab(i) & "  ")
        Next
        Console.WriteLine()
    End Sub

    Sub randomize()
        For i As Integer = 0 To 9
            tab(i) = Rnd() * 100
        Next
        For Each cellule In tab
            Console.Write(cellule & vbTab)
        Next
    End Sub
    Sub tri_par_permutation()
        Dim j As Integer
        Dim tampon As Integer
        Dim K As Integer
        For i = 0 To 7
            If tab(i + 1) < tab(i) Then
                tampon = tab(i + 1)
                j = 0
                While (j < i) And (tab(j) < tab(i + 1))
                    j = j + 1
                End While

                For K = (i + j) To (j + 1)
                    tab(K) = tab(K - 1)
                Next
                tab(j) = tampon
            End If
        Next
        affichage()
    End Sub
    Sub tri_par_insertion()
        Dim tampon As Integer
        For i As Integer = 0 To 8
            For j As Integer = i + 1 To 9
                If tab(i) > tab(j) Then
                    tampon = tab(i)
                    tab(i) = tab(j)
                    tab(j) = tampon
                End If
            Next
        Next
        affichage()
    End Sub
    Sub recherche_dichotomique()
        Dim val, mil, debut, fin As Integer
        Dim find As Boolean
        find = False
        debut = 0
        fin = 9
        Console.WriteLine("entrez l'element recherchez")
        val = Console.ReadLine

        While debut <= fin And find = False
            mil = debut + ((fin - debut) / 2)
            If tab(mil) = val Then
                find = True
                Console.WriteLine()
            ElseIf tab(mil) < val Then
                debut = debut + 1
            Else
                fin = mil - 1
            End If
        End While
        If find = True Then
            Console.WriteLine("existe")
        Else
            Console.WriteLine("n'existe pas")
        End If
    End Sub

    Sub tri_selection()
        Dim petit As Integer
        Dim position As Integer
        Dim j As Integer
        Dim i As Integer
        For i = 0 To 8
            petit = tab(i)
            For j = i To 9
                If tab(j) < petit Then
                    petit = tab(j)
                    position = j
                End If
            Next
            For j = position To i + 1 Step -1
                tab(j) = tab(j - 1)
            Next
            tab(i) = petit
        Next
        affichage()
    End Sub
    Sub ajout(ByRef tab() As Integer, ByVal pos As Integer, ByVal element As Integer)
        Dim rep As String
        Dim i As Integer
        Console.WriteLine("voulez vous ajouter un nombre o/n ")
        rep = Console.ReadLine()
        If rep = "n" Then
            Console.WriteLine(" merci de votre participation")
        ElseIf rep = "o" Then
            Console.WriteLine("entrez l'élement que vous voulez")
            element = Console.ReadLine

            ReDim Preserve tab(i + 1)
            Console.WriteLine(" entrez la possiton que vous voulez")
            pos = Console.ReadLine
            pos = element
        End If
        affichage()
    End Sub

End Module