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Bucket queue

A bucket queue is a data structure that implements the priority queue abstract data type: it maintains a dynamic collection of elements with numerical priorities and allows quick access to the element with minimum (or maximum) priority. In the bucket queue, the priorities must be integers, and it is particularly suited to applications in which the…

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Decrease-key
O(1)
Delete-min
O(#priorities)
Find-min
O(#priorities)
Insert
O(1)
Invented
1969
Invented by
Robert Dial

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Operation

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Map overview Semantic statistics

Bucket queue

Nodes55
Edges54
Triples67
Avg. degree1.96
Density0.036364
Components1

How this topic connects Entity context

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Bucket queue

Top relations

related to Example · 11
Bucket queue → After, Changing, Consider, Extracting, For, In, It, One, Removing, The, This
related to Optimizations · 10
Bucket queue → Alternatively, As, Because, Dial's, Dijkstra's, In, The, Therefore, This, When
related to Dial's algorithm for shortest paths · 8
Bucket queue → Dial, Dial's, Dijkstra's, In, In Dijkstra's, Robert, The, This
related to Fast marching · 8
Bucket queue → As, Dial's, Dijkstra's, Eikonal, However, In, It, This
related to Greedy set cover · 6
Bucket queue → Each, It, NP, NP-hard, The, This
related to Scheduling · 6
Bucket queue → Bucket, Calendar, For, In, Therefore, To
is a · 2
Bucket queue → data structure that implements the priority queue abstract data type, priority-queue analogue of pigeonhole sort
related to Basic data structure · 2
Bucket queue → It, The
related to Graph degeneracy · 2
Bucket queue → The, This
Decrease-key · 1
Bucket queue → O(1)

Important terminology Word statistics

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Important terminology

bucket priority queue priorities algorithm element structure time elements data buckets displaystyle minimum used non-empty array number set also search

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Bucket queueDecrease-keyO(1)1.00infobox
Bucket queueDelete-minO(#priorities)1.00infobox
Bucket queueFind-minO(#priorities)1.00infobox
Bucket queueInsertO(1)1.00infobox
Bucket queueInvented19691.00infobox
Bucket queueInvented byRobert Dial1.00infobox
Bucket queueOperationAverage1.00infobox
Bucket queueTime complexity in big O notationTime complexity in big O notationOperation Average Worst caseInsert O(1) O(1)Find-min O(#priorities) O(#priorities)Delete-min O(#priorities) O(#priorities)Decrease-key O(1) O(1)…1.00infobox
Bucket queueTypepriority queue1.00infobox
Bucket queueis adata structure that implements the priority queue abstract data type0.90text
Bucket queueis apriority-queue analogue of pigeonhole sort0.90text
Dijkstra's algorithminstance ofIn many applications of priority queues0.80text

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    Min side: 3
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