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author:

Zhu, Daxin (Zhu, Daxin.) [1] | Wu, Yingjie (Wu, Yingjie.) [2] | Wang, Lei (Wang, Lei.) [3] | Wang, Xiaodong (Wang, Xiaodong.) [4]

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EI Scopus

Abstract:

In this paper, we are interested in the number of red nodes in red-black trees. We first present an O(n2logn) 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(logn) 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:

Combinatorial mathematics Computational methods Dynamic programming

Community:

  • [ 1 ] [Zhu, Daxin]Quanzhou Normal University, Quanzhou, China
  • [ 2 ] [Wu, Yingjie]Fuzhou University, Fuzhou, China
  • [ 3 ] [Wang, Lei]Facebook, 1 Hacker Way, Menlo Park; CA; 94052, United States
  • [ 4 ] [Wang, Xiaodong]Fujian University of Technology, Fuzhou, China

Reprint 's Address:

  • [wang, xiaodong]fujian university of technology, fuzhou, china

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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: 0

SCOPUS Cited Count: 2

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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