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JavaScript queue, priority queue and cyclic queue, and javascript queue
A queue is an ordered set that complies with the FIFO principle.Add new elements to the end of the queue and remove elements from the top.
Queue understanding
Queuing is the
[Algorithm design-priority queue] implementation and operation of priority queue, algorithm queue
Priority queue is a specific application of heap sorting.
Priority Queues are divided into the following operations:
1. INSERT (S, x) inserts element x
1. Significance of the index priority queueThe index priority queue is a relatively abstract concept, which is a priority queue and index, what is the index used for?In the normal queue, we can only access the queue header element, the entire queue
Preface: The graph is irrelevant, then begin to learn the knowledge of the related data structure of priority queue and heap.
Pre-order articles:
Data structures and algorithms (1)--arrays and linked lists (https://www.jianshu.com/p/7b9
Heap Data Structure + heap sorting + Implementation of the maximum priority queue, heap sorting queue
For heap sorting, we must first know what the heap data structure is. The heap data structure is a complete binary tree, but it has its own nature.
Priority queues are a concrete application of heap sequencing.The priority queue is divided into the following actions:1.INSERT (S,X) inserts the element x into the priority queue.2.MAXIMUM (s): Returns the element with the largest keyword in
Priority queue C ++ array implementation, priority queue c Array// Priority queue# Include Using namespace std;Class Queue{Private:Struct Node // create a Node information, including data and priority{Int data;Int level;Node (): data (), level (-1 ){
D-ary Heap Introduction:
The D-ary heap is a generalized version of binary heap (d=2), and the D-ary heap has a maximum of D child nodes per non-leaf node.
The D-ary heap has the following properties:
Similar to complete binary tree, except
In the normal queue, the order of the elements out of the team is determined by the time the element is enqueued, that is, who first team, who first out. But sometimes we want to have such a queue: who first team is not important, what is important
As we explained earlier, not as an array of storage data function, but as the idea of the algorithm of the auxiliary tool data structure-stack, this article we introduce another such tool-queue. The stack is LIFO, and the queue is just the opposite,
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