Quicksort is an efficient, general-purpose sorting algorithm. Quicksort was developed by British computer scientist Tony Hoare in 1959 and published in...
71 KB (9,936 words) - 17:41, 23 August 2024
the related quicksort sorting algorithm, it was developed by Tony Hoare, and thus is also known as Hoare's selection algorithm. Like quicksort, it is efficient...
9 KB (1,163 words) - 05:40, 28 January 2024
performance and (asymptotically) optimal worst-case performance. It begins with quicksort, it switches to heapsort when the recursion depth exceeds a level based...
9 KB (1,080 words) - 03:35, 9 April 2024
well-implemented quicksort, it has the advantages of very simple implementation and a more favorable worst-case O(n log n) runtime. Most real-world quicksort variants...
50 KB (5,789 words) - 14:23, 27 July 2024
Sorting algorithm (section Quicksort)
exchange, selection, merging, etc. Exchange sorts include bubble sort and quicksort. Selection sorts include cycle sort and heapsort. Whether the algorithm...
68 KB (6,410 words) - 22:44, 6 September 2024
Consequently, quicksort needs O(log2 n) additional space. Although this non-constant space technically takes quicksort out of the in-place category, quicksort and...
8 KB (1,151 words) - 22:30, 10 September 2024
sort, but it is equivalent to quicksort as both recursively partition the elements based on a pivot, and since quicksort is in-place and has lower overhead...
5 KB (636 words) - 10:13, 1 August 2023
basis of efficient algorithms for many problems, such as sorting (e.g., quicksort, merge sort), multiplying large numbers (e.g., the Karatsuba algorithm)...
19 KB (2,609 words) - 16:49, 15 August 2024
used primarily as an educational tool. More efficient algorithms such as quicksort, timsort, or merge sort are used by the sorting libraries built into popular...
19 KB (2,330 words) - 02:55, 29 August 2024
Partial sorting (redirect from Partial quicksort)
partial_quicksort(A, i, j, k) is if i < j then p ← pivot(A, i, j) p ← partition(A, i, j, p) partial_quicksort(A, i, p-1, k) if p < k-1 then partial_quicksort(A...
8 KB (952 words) - 15:19, 26 February 2023
Multi-key quicksort, also known as three-way radix quicksort, is an algorithm for sorting strings. This hybrid of quicksort and radix sort was originally...
5 KB (700 words) - 12:14, 13 March 2023
implementation) quickSort :: Ord a => [a] -> [a] -- Using list comprehensions quickSort [] = [] -- The empty list is already sorted quickSort (x:xs) = quickSort [a...
49 KB (4,557 words) - 18:30, 3 September 2024
Nested function (section Quicksort)
last) { int pivotIndex = partition(); quickSort(first, pivotIndex - 1); quickSort(pivotIndex + 1, last); } } quickSort(0, size - 1); } The following is an...
20 KB (2,287 words) - 05:21, 28 August 2024
Randomized algorithm (section Quicksort)
the expected running time is finite (Las Vegas algorithms, for example Quicksort), and algorithms which have a chance of producing an incorrect result...
32 KB (4,173 words) - 21:10, 30 March 2024
than quicksort does in its average case, and in terms of moves, merge sort's worst case complexity is O(n log n) - the same complexity as quicksort's best...
49 KB (6,723 words) - 09:05, 31 August 2024
algorithm: these are analogous refinements of the basic quickselect and quicksort algorithms, in that they both start with the quick algorithm, which has...
4 KB (524 words) - 06:52, 23 November 2022
distinction in computer science, in 1980. Hoare developed the sorting algorithm quicksort in 1959–1960. He developed Hoare logic, an axiomatic basis for verifying...
27 KB (2,199 words) - 05:12, 31 July 2024
much less efficient on large lists than more advanced algorithms such as quicksort, heapsort, or merge sort. However, insertion sort provides several advantages:...
22 KB (2,922 words) - 18:19, 7 September 2024
Las Vegas algorithm (section Randomized quicksort)
Execute Quicksort on A[1 to i-1] and A[i+1 to n]. Combine the responses in order to obtain a sorted array.""" A simple example is randomized quicksort, where...
17 KB (2,504 words) - 04:06, 29 July 2024
passes becomes the bottleneck. Binary MSD radix sort, also called binary quicksort, can be implemented in-place by splitting the input array into two bins...
20 KB (2,604 words) - 07:17, 11 June 2024
of Donald E. Knuth, receiving his PhD in 1975. His thesis was entitled Quicksort and was named an outstanding dissertation in computer science. Sedgewick...
17 KB (1,550 words) - 21:05, 25 July 2024
MVEL (section Quicksort Example)
algorithm def quicksort(list) { if (list.size() <= 1) { list; } else { pivot = list[0]; concat(quicksort(($ in list if $ < pivot)), pivot, quicksort(($ in list...
4 KB (312 words) - 22:12, 20 November 2020
stack of blocks can be cantilevered, and the average case analysis of the quicksort algorithm. The name of the harmonic series derives from the concept of...
48 KB (6,156 words) - 13:39, 17 August 2024
Implementing quicksort, from the J Dictionary yields: sel=: adverb def 'u # [' quicksort=: verb define if. 1 >: #y do. y else. (quicksort y <sel e),(y...
19 KB (2,227 words) - 18:19, 26 June 2024
interest for designing sorting algorithms; in particular, variants of the quicksort algorithm that must be robust to repeated elements may use a three-way...
5 KB (656 words) - 08:21, 1 August 2024
adversary to arrange the data beforehand so that quicksort will perform in worst-case time. If, however, quicksort chooses some random element to be the pivot...
6 KB (794 words) - 12:55, 19 March 2024
Standard ML (section Quicksort)
cmp) o split) xs Quicksort can be expressed as follows. fun part is a closure that consumes an order operator op <<. infix << fun quicksort (op <<) = let...
32 KB (3,714 words) - 02:01, 13 June 2024
relative of radix sort; in particular, the case n = 2 corresponds to quicksort (although potentially with poor pivot choices). When the input contains...
13 KB (2,190 words) - 17:41, 26 August 2024