Mathematical systems theory

, Volume 10, Issue 1, pp 99–127 | Cite as

Design and implementation of an efficient priority queue

  • P. van Emde Boas
  • R. Kaas
  • E. Zijlstra


We present a data structure, based upon a hierarchically decomposed tree, which enables us to manipulate on-line a priority queue whose priorities are selected from the interval 1,⋯,n with a worst case processing time of\(\mathcal{O}\) (log logn) per instruction. The structure can be used to obtain a mergeable heap whose time requirements are about as good. Full details are explained based upon an implementation of the structure in a PASCAL program contained in the paper.


Data Structure Processing Time Computational Mathematic Full Detail Time Requirement 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Springer-Verlag New York Inc. 1977

Authors and Affiliations

  • P. van Emde Boas
    • 1
  • R. Kaas
    • 1
  • E. Zijlstra
    • 2
  1. 1.Mathematical CentreAmsterdamNetherlands
  2. 2.Mathematical InstituteUniversity of AmsterdamAmsterdamThe Netherlands

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