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author:

Zhu, D. (Zhu, D..) [1] | Wu, Y. (Wu, Y..) [2] | Wang, L. (Wang, L..) [3] | Wang, X. (Wang, X..) [4]

Indexed by:

Scopus

Abstract:

In this paper, we are interested in the number of red nodes in red-black trees. We first present an O(n2log⁡n) time dynamic programming solution for computing r(n), the largest number of red internal nodes in a red-black tree on n keys. Then the algorithm is improved to some O(log⁡n) time recursive and nonrecursive algorithms. Based on these improved algorithms we finally find a closed-form solution of r(n). © 2017 Elsevier B.V.

Keyword:

Dynamic programming; Explicit solutions; Red internal nodes; Red-black trees

Community:

  • [ 1 ] [Zhu, D.]Quanzhou Normal University, Quanzhou, China
  • [ 2 ] [Wu, Y.]Fuzhou University, Fuzhou, China
  • [ 3 ] [Wang, L.]Facebook, 1 Hacker Way, Menlo Park, CA 94052, United States
  • [ 4 ] [Wang, X.]Fujian University of Technology, Fuzhou, China

Reprint 's Address:

  • [Wang, X.]Fujian University of TechnologyChina

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Source :

Journal of Discrete Algorithms

ISSN: 1570-8667

Year: 2017

Volume: 43

Page: 81-94

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count: 2

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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