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Task/Eban-numbers/Visual-Basic-.NET/eban-numbers.vb
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71
Task/Eban-numbers/Visual-Basic-.NET/eban-numbers.vb
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Module Module1
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Structure Interval
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Dim start As Integer
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Dim last As Integer
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Dim print As Boolean
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Sub New(s As Integer, l As Integer, p As Boolean)
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start = s
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last = l
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print = p
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End Sub
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End Structure
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Sub Main()
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Dim intervals As Interval() = {
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New Interval(2, 1_000, True),
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New Interval(1_000, 4_000, True),
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New Interval(2, 10_000, False),
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New Interval(2, 100_000, False),
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New Interval(2, 1_000_000, False),
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New Interval(2, 10_000_000, False),
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New Interval(2, 100_000_000, False),
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New Interval(2, 1_000_000_000, False)
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}
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For Each intv In intervals
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If intv.start = 2 Then
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Console.WriteLine("eban numbers up to and including {0}:", intv.last)
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Else
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Console.WriteLine("eban numbers between {0} and {1} (inclusive):", intv.start, intv.last)
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End If
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Dim count = 0
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For i = intv.start To intv.last Step 2
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Dim b = i \ 1_000_000_000
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Dim r = i Mod 1_000_000_000
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Dim m = r \ 1_000_000
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r = i Mod 1_000_000
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Dim t = r \ 1_000
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r = r Mod 1_000
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If m >= 30 AndAlso m <= 66 Then
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m = m Mod 10
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End If
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If t >= 30 AndAlso t <= 66 Then
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t = t Mod 10
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End If
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If r >= 30 AndAlso r <= 66 Then
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r = r Mod 10
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End If
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If b = 0 OrElse b = 2 OrElse b = 4 OrElse b = 6 Then
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If m = 0 OrElse m = 2 OrElse m = 4 OrElse m = 6 Then
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If t = 0 OrElse t = 2 OrElse t = 4 OrElse t = 6 Then
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If r = 0 OrElse r = 2 OrElse r = 4 OrElse r = 6 Then
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If intv.print Then
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Console.Write("{0} ", i)
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End If
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count += 1
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End If
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End If
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End If
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End If
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Next
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If intv.print Then
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Console.WriteLine()
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End If
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Console.WriteLine("count = {0}", count)
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Console.WriteLine()
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Next
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End Sub
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End Module
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