Skip-Splay: Toward Achieving the Unified Bound in the BST Model

  • Authors:
  • Jonathan C. Derryberry;Daniel D. Sleator

  • Affiliations:
  • Computer Science Department, Carnegie Mellon University,;Computer Science Department, Carnegie Mellon University,

  • Venue:
  • WADS '09 Proceedings of the 11th International Symposium on Algorithms and Data Structures
  • Year:
  • 2009

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Abstract

We present skip-splay, the first binary search tree algorithm known to have a running time that nearly achieves the unified bound. Skip-splay trees require only O (m lg lg n + UB (*** )) time to execute a query sequence *** = *** 1 ... *** m . The skip-splay algorithm is simple and similar to the splay algorithm.