skiplist.html

来自「数据结构词典(英文)」· HTML 代码 · 共 48 行

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<HEAD>
<TITLE>skip list</TITLE>
<META name="description"
  content="Definition of skip list,
	possibly with links to more information and implementations.">
<META name="keywords" content="skip list">
</HEAD>
<BODY BGCOLOR="#FFFFFF">

<H1>skip list</H1>
<P>
(data structure)

<P>
<strong>Definition:</strong>
A variant of a <a href="linklist.html" tppabs="http://hissa.nist.gov/dads/HTML/linklist.html"><em>linked list</em></a> with additional, parallel lists. Parallel lists at higher levels skip geometrically more items. Searching begins at the highest level, to quickly get to the right part of the list, then uses progressively lower level lists. A new item is added by randomly selecting a level, then inserting it in order in the lists for that and all lower levels.  With enough levels, searching is <a href="bigOnotation.html" tppabs="http://hissa.nist.gov/dads/HTML/bigOnotation.html"><em>O( log n)</em></a>.
<P>Author: <a href="terms.html#authorPEB" tppabs="http://hissa.nist.gov/dads/terms.html#authorPEB">PEB</a>
<H2>Implementation</H2>
<A HREF="javascript:if(confirm('http://www.nist.gov/cgi-bin/exit_nist.cgi?url=http://members.xoom.com/_XMCM/thomasn/s_skl.htm  \n\nThis file was not retrieved by Teleport Pro, because it is addressed on a domain or path outside the boundaries set for its Starting Address.  \n\nDo you want to open it from the server?'))window.location='http://www.nist.gov/cgi-bin/exit_nist.cgi?url=http://members.xoom.com/_XMCM/thomasn/s_skl.htm'" tppabs="http://www.nist.gov/cgi-bin/exit_nist.cgi?url=http://members.xoom.com/_XMCM/thomasn/s_skl.htm">diagrams and code (C)</A>
<H2>More information</H2>
<A HREF="javascript:if(confirm('http://www.nist.gov/cgi-bin/exit_nist.cgi?url=ftp://ftp.lsi.upc.es/pub/users/conrado/skip-lists.bib  \n\nThis file was not retrieved by Teleport Pro, because it is addressed on a domain or path outside the boundaries set for its Starting Address.  \n\nDo you want to open it from the server?'))window.location='http://www.nist.gov/cgi-bin/exit_nist.cgi?url=ftp://ftp.lsi.upc.es/pub/users/conrado/skip-lists.bib'" tppabs="http://www.nist.gov/cgi-bin/exit_nist.cgi?url=ftp://ftp.lsi.upc.es/pub/users/conrado/skip-lists.bib">bibtex references to papers</A>

<hr>

Go to the
<A HREF="terms.html" tppabs="http://hissa.nist.gov/dads/terms.html">Algorithms, Data Structures, and Problems</A>
home page.

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If you have suggestions, corrections, or comments, please get in touch
with
<a href="javascript:if(confirm('http://hissa.nist.gov/~black/black.html  \n\nThis file was not retrieved by Teleport Pro, because it is addressed on a domain or path outside the boundaries set for its Starting Address.  \n\nDo you want to open it from the server?'))window.location='http://hissa.nist.gov/~black/black.html'" tppabs="http://hissa.nist.gov/~black/black.html">Paul E. Black</a>
&nbsp;(<a href="mailto:paul.black@nist.gov">paul.black@nist.gov</a>).

<p>
Entry modified Thu Dec  9 15:59:13 1999.<BR>
HTML page formatted Wed Dec 22 09:36:31 1999.

<P>
This page's URL is
<A href="skiplist.html" tppabs="http://hissa.nist.gov/dads/HTML/skiplist.html">http://hissa.nist.gov/dads/HTML/skiplist.html</A>

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