Data update
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7735 changed files with 38060 additions and 199180 deletions
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'function arguments: "num" is the number to sequence and "return" is the value to return - "s" for the sequence or
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'"e" for the number elements.
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Function hailstone_sequence(num,return)
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n = num
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sequence = num
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elements = 1
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Do Until n = 1
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If n Mod 2 = 0 Then
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n = n / 2
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Else
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n = (3 * n) + 1
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End If
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sequence = sequence & " " & n
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elements = elements + 1
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Loop
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Select Case return
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Case "s"
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hailstone_sequence = sequence
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Case "e"
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hailstone_sequence = elements
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End Select
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End Function
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'test driving.
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'show sequence for 27
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WScript.StdOut.WriteLine "Sequence for 27: " & hailstone_sequence(27,"s")
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WScript.StdOut.WriteLine "Number of Elements: " & hailstone_sequence(27,"e")
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WScript.StdOut.WriteBlankLines(1)
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'show the number less than 100k with the longest sequence
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count = 1
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n_elements = 0
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n_longest = ""
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Do While count < 100000
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current_n_elements = hailstone_sequence(count,"e")
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If current_n_elements > n_elements Then
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n_elements = current_n_elements
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n_longest = "Number: " & count & " Length: " & n_elements
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End If
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count = count + 1
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Loop
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WScript.StdOut.WriteLine "Number less than 100k with the longest sequence: "
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WScript.StdOut.WriteLine n_longest
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