
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Question
Create a quicksort based on splitting a random sample of five items from the subarray according to their medians. Place the sample's elements at the correct ends of the array so that only the median is used for partitioning.
To evaluate the impact of the adjustment in contrast to the default method and median-of-3 partitioning (see the preceding exercise), do doubling tests.
Extra points Create a median-of-five method that employs no more than seven comparisons for every given input.
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