Quicksort is an efficient, general-purpose sorting algorithm. Quicksort was developed by British computer scientist Tony Hoare in 1959 and published in...
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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...
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performance and (asymptotically) optimal worst-case performance. It begins with quicksort, it switches to heapsort when the recursion depth exceeds a level based...
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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...
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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...
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Consequently, quicksort needs O(log2 n) additional space. Although this non-constant space technically takes quicksort out of the in-place category, quicksort and...
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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...
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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...
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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...
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implementation) quickSort :: Ord a => [a] -> [a] -- Using list comprehensions quickSort [] = [] -- The empty list is already sorted quickSort (x:xs) = quickSort [a...
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basis of efficient algorithms for many problems, such as sorting (e.g., quicksort, merge sort), multiplying large numbers (e.g., the Karatsuba algorithm)...
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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...
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Nested function (section Quicksort)
last) { int pivotIndex = partition(); quickSort(first, pivotIndex - 1); quickSort(pivotIndex + 1, last); } } quickSort(0, size - 1); } The following is an...
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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...
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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...
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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...
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distinction in computer science, in 1980. Hoare developed the sorting algorithm quicksort in 1959–1960. He developed Hoare logic, an axiomatic basis for verifying...
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algorithm: these are analogous refinements of the basic quickselect and quicksort algorithms, in that they both start with the quick algorithm, which has...
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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...
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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...
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of Donald E. Knuth, receiving his PhD in 1975. His thesis was entitled Quicksort and was named an outstanding dissertation in computer science. Sedgewick...
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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...
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interest for designing sorting algorithms; in particular, variants of the quicksort algorithm that must be robust to repeated elements may use a three-way...
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Erlang (programming language) (section Quicksort)
1). fib_int(0, _, B) -> B; fib_int(N, A, B) -> fib_int(N-1, B, A+B). Quicksort in Erlang, using list comprehension: %% qsort:qsort(List) %% Sort a list...
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much less efficient on large lists than more advanced algorithms such as quicksort, heapsort, or merge sort. However, insertion sort provides several advantages:...
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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...
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of data, and Tony Hoare, programming languages pioneer and inventor of Quicksort. The university is associated with 11 winners of the Nobel Prize in Chemistry...
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