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Succinct Dynamic One-Dimensional Point Reporting

Authors Hicham El-Zein, J. Ian Munro, Yakov Nekrich

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Author Details

Hicham El-Zein
  • Cheriton School of Computer Science, University of Waterloo, Ontario, Canada N2L 3G1
J. Ian Munro
  • Cheriton School of Computer Science, University of Waterloo, Ontario, Canada N2L 3G1
Yakov Nekrich
  • Cheriton School of Computer Science, University of Waterloo, Ontario, Canada N2L 3G1

Funding

  • Munro, J. Ian: This work was sponsored by the NSERC of Canada and the Canada Research Chairs Program.

Cite As Get BibTex

Hicham El-Zein, J. Ian Munro, and Yakov Nekrich. Succinct Dynamic One-Dimensional Point Reporting. In 16th Scandinavian Symposium and Workshops on Algorithm Theory (SWAT 2018). Leibniz International Proceedings in Informatics (LIPIcs), Volume 101, pp. 17:1-17:11, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2018) https://doi.org/10.4230/LIPIcs.SWAT.2018.17

Abstract

In this paper we present a succinct data structure for the dynamic one-dimensional range reporting problem. Given an interval [a,b] for some a,b in [m], the range reporting query on an integer set S subseteq [m] asks for all points in S cap [a,b]. We describe a data structure that answers reporting queries in optimal O(k+1) time, where k is the number of points in the answer, and supports updates in O(lg^epsilon m) expected time. Our data structure uses B(n,m) + o(B(n,m)) bits where B(n,m) is the minimum number of bits required to represent a set of size n from a universe of m elements. This is the first dynamic data structure for this problem that uses succinct space and achieves optimal query time.

Subject Classification

ACM Subject Classification
  • Theory of computation → Data structures design and analysis
Keywords
  • Succinct Data Structures
  • Range Searching
  • Computational Geometry

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