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The level Ancestor problem simplified

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18 Scopus citations

Abstract

We present a very simple algorithm for the Level Ancestor Problem. A Level Ancestor Query LA(v, d) requests the depth d ancestor of node v. The Level Ancestor Problem is thus: preprocess a given rooted tree T to answer level ancestor queries. While optimal solutions to this problem already exist, our new optimal solution is simple enough to be taught and implemented.

Original languageEnglish
Title of host publicationLATIN 2002
Subtitle of host publicationTheoretical Informatics - 5th Latin American Symposium, Proceedings
EditorsSergio Rajsbaum
PublisherSpringer Verlag
Pages508-515
Number of pages8
ISBN (Electronic)3540434003, 9783540434009
DOIs
StatePublished - 2002
Event5th Latin American Symposium on Theoretical Informatics, LATIN 2002 - Cancun, Mexico
Duration: Apr 3 2002Apr 6 2002

Publication series

NameLecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
Volume2286
ISSN (Print)0302-9743
ISSN (Electronic)1611-3349

Conference

Conference5th Latin American Symposium on Theoretical Informatics, LATIN 2002
Country/TerritoryMexico
CityCancun
Period04/3/0204/6/02

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