Sorting algorithms/Heapsort: Difference between revisions
Content added Content deleted
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(→{{header|FreeBASIC}}: fix more bugs) |
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Dim As Long lb = LBound(hs) |
Dim As Long lb = LBound(hs) |
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While root * 2 + 1 < end_ |
While root * 2 + 1 <= end_ |
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Dim As ULong child = root * 2 + 1 |
Dim As ULong child = root * 2 + 1 |
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If (child + 1 < end_) |
If (child + 1 <= end_) AndAlso (hs(lb + child) < hs(lb + child + 1)) Then |
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child = child + 1 |
child = child + 1 |
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End If |
End If |
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| Line 1,570: | Line 1,570: | ||
Dim As Long lb = LBound(hs) |
Dim As Long lb = LBound(hs) |
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Dim As ULong count = UBound(hs) - lb + 1 |
Dim As ULong count = UBound(hs) - lb + 1 |
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Dim As Long start = |
Dim As Long start = (count - 2) \ 2 |
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| ⚫ | |||
While start >= 0 |
While start >= 0 |
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siftdown(hs(), start, |
siftdown(hs(), start, end_) |
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start = start - 1 |
start = start - 1 |
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Wend |
Wend |
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| ⚫ | |||
While end_ > 0 |
While end_ > 0 |
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Swap hs(lb + end_), hs(lb) |
Swap hs(lb + end_), hs(lb) |
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| ⚫ | |||
end_ = end_ - 1 |
end_ = end_ - 1 |
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| ⚫ | |||
Wend |
Wend |
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End Sub |
End Sub |
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