A randomized algorithm is given for the dictionary problem with O(1) worst-case time for lookup and O(1) amortized expected time for insertion and deletion. An Ω(log n) lower bound is proved for the amortized worst-case time complexity of any deterministic algorithm in a class of algorithms encompassing realistic hashing-based schemes. If the worst-case lookup time is restricted to k, then the lower bound for insertion becomes Ω(kn1k/)
Published in:
Foundations of Computer Science, 1988., 29th Annual Symposium on
Date of Conference:
24-26 Oct 1988
- Page(s):
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524
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531
- Meeting Date :
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24 Oct 1988-26 Oct 1988
- Print ISBN:
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0-8186-0877-3
- INSPEC Accession Number:
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3328860
- Conference Location :
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White Plains, NY
- Digital Object Identifier :
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10.1109/SFCS.1988.21968
- Product Type:
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Conference Publications