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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Computing 49 (1992), S. 1-9 
    ISSN: 1436-5057
    Keywords: 68Q05 ; 68Q25 ; Analysis of algorithms ; sorting ; comparisons ; lower bound ; heapsort
    Source: Springer Online Journal Archives 1860-2000
    Topics: Computer Science
    Description / Table of Contents: Zusammenfassung Dieser Artikel untersucht die Komplexität von Heapsort Algorithmen für willkürliche Eingaben. Es wird bewiesen, daß für die Anzahl der Vergleiche auf jeden Fall eine untere Schranke vom Typ nlogn-O(n) gilt, und zwar in einr Klasse von Heapsort Algorithmen, die den Williams-Floyd-Algorithmus, den Carlsson-Algorithmus mit linearem oder binärem Einfügen und alle up-down Algorithmen enthält.
    Notes: Abstract The performance of Heapsort algorithms on arbitrary input is examined. It is proved that ann logn−O(n) lower bound on the number of comparisons holds for a set of Heapsort algorithms, including Williams-Floyd's algorithm, Carlsson's bottom-up linear or binary insertion algorithm, and all up-down algorithms, on any input.
    Type of Medium: Electronic Resource
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