May 2018
Intermediate to advanced
328 pages
8h 15m
English
Content preview from The Modern C++ Challenge
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57. Sort algorithm
Quicksort is a comparison sorting algorithm for elements of an array for which a total order is defined. When implemented well, it is significantly faster than merge sort or heap sort.
Although in worst-case scenarios the algorithm makes 
comparisons (when the range is already sorted), on average the complexity is only 
. Quicksort is a divide and conquer algorithm; it partitions (divides) a large range into smaller ones and sorts them recursively. There are several partitioning schemes. In the implementation shown here, we ...
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