July 1998
Intermediate to advanced
752 pages
22h 23m
English
book
Algorithms in C++, Parts 1-4: Fundamentals, Data Structure, Sorting, Searching, Third Edition
by Robert Sedgewick
Content preview from Algorithms in C++, Parts 1-4: Fundamentals, Data Structure, Sorting, Searching, Third Edition
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Chapter SevenQuicksort
THE SUBJECT OF this chapter is the sorting algorithm that is probably used more widely than any other, quicksort . The basic algorithm was invented in 1960 by C. A. R. Hoare, and it has been studied by many people since that time (see reference section). Quicksort is popular because it is not difficult to implement, works well for a variety of different kinds of input data, and consumes fewer resources than any other sorting method in many situations.
The quicksort algorithm has the desirable features that it is in place (uses only a small auxiliary stack), requires time only proportional to N log N on the average to sort N items, and has an extremely short inner loop. Its drawbacks are that it is not stable, takes about ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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