Maurice Tutor

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    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

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    Phoniex University
    Oct-2001 - Nov-2016

Category > Computer Science Posted 14 Sep 2017 My Price 7.00

hash function is expensive

Rehashing requires recomputing the hash function for all items in the hash table.
Since computing the hash function is expensive, suppose objects provide a hash
member function of their own, and each object stores the result in an additional

data member the first time the hash function is computed for it. Show
how such a scheme would apply for the Employee class in Figure 5.8, and explain
under what circumstances the remembered hash value remains valid in each
Employee.

HERE is Figure 5.8 below (C++):

Answers

Maurice Tutor
(5)
Status NEW Posted 14 Sep 2017 11:09 PM My Price 7.00

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