简介:双端队列(Deque,全称:Double-ended Queue)是一种线性数据结构,它允许在队列的两端进行插入和删除操作。与普通队列(只能在尾部插入,在头部删除)和栈(只能在尾部插入,在头部删除)不同,双端队列可以在两端进行插入和删除操作。 双端队列(Deque,全称:Double-ended Queue)是一种线性数据结构,它允许在队列的两端进...
A double ended queueing system in which either customers which arrive in a group of random size or idle servers which may also serve in batches is studied. The arriving customers form a queue for service as well as idle servers (taxis) queue up for customers (passengers). Four possible ...
A double-ended queue, or deque, supports adding and removing elements from either end of the queue. The more commonly used stacks and queues are degenerate forms of deques, where the inputs and outputs are restricted to a single end.collections_deque.py import collections d = collections....
Fast ring-buffer deque (double-ended queue) implementation. For a pictorial description, see the Deque diagram Installation $ go get github.com/gammazero/deque Deque data structure Deque generalizes a queue and a stack, to efficiently add and remove items at either end with O(1) performance....
At long last, let's get to that double-ended queue. Sorry for leaving you in suspense! Last time we came up with a non-solution -- as commenters immediately discovered, the given algorithm and data structure are deeply inefficient. However, the basicideais sound. There are ...
双端优先级队列(Double-Ended Priority Queue)是一种支持在两端进行插入和删除操作的优先级队列。它可以在 O(log n) 的时间复杂度内完成插入、删除、查询操作。双端优先级队列可以使用二叉堆或线段树等数据结构实现。 使用双端优先级队列时,首先需要创建一个双端优先级队列实例,并提供一个初始化的队列。接下来,可...
algorithmheapmin-max pair heapmin-max heappriority queuesIn this paper, we present improved algorithms for min-max pair heaps introduced by S. Olariu et al. (A Mergeable Double-ended Priority Queue - The Comp. J. 34, 423-427, 1991). We also show that in the worst case, this ...
double ended queue 双端队列一种可变长度表,它的内容可通过增加或清除在任一端的资料项加以改变。 double ended spoon 【机】 双头[镘刀]勺 double ended grinder 双端磨床 double ended pressing 两端压制 double ended bolt 双端螺栓 double ended wrench 双头死扳手 double ended spanner 双头扳子 doub...
A double-ended queue is a special type of data in the field of computer programming. In this abstract data type, elements can be added from both the front and the back of the queue. Due to this property, it is also known as a head-tail linked list. In this, the queue actually symb...
TypeScript definitions for double-ended-queue. Latest version: 2.1.7, last published: a year ago. Start using @types/double-ended-queue in your project by running `npm i @types/double-ended-queue`. There are 11 other projects in the npm registry using @t