ProjectEuler_7 -TizzyT

Module PrimeAtIndex 'My solution to Project Euler Problem 7
    Sub Main()
        Dim tble() As Boolean = PSieve(10001 ^ 2)
        Dim cnt As Integer = 0
        For i = 0 To tble.Length - 1
            If Not tble(i) Then
                cnt += 1
                If cnt = 10001 Then
                    Console.WriteLine(i)
                    Exit For
                End If
            End If
        Next
        Console.ReadKey()
    End Sub
    Function PSieve(ByVal limit As Integer) As Boolean()
        Dim input(limit) As Boolean
        input(0) = True : input(1) = True
        Parallel.For(2, CInt(Math.Sqrt(input.Length)), Sub(i)
                                                           If Not input(i) Then
                                                               Dim j As Integer = 2 * i
                                                               While j <= input.Length - 1
                                                                   input(j) = True
                                                                   j += i
                                                               End While
                                                           End If
                                                       End Sub)
        Return input
    End Function
End Module