deque

52 posts

Difference between Queue and Deque (Queue vs. Deque)

Last Updated: 14 March 2023

Queue:The queue is an abstract data type or linear data structure from which elements can be inserted at the rear(back) of the queue and ele...read more

Queue

Data Structures

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deque

Picked

DSA

Difference between Queue and Deque in C++

Last Updated: 20 June 2022

Queue: A Queue is a linear data structure that follows a First In First Out (FIFO) order in which the operations are performed. It is a type...read more

How to get the first and last elements of Deque in Python?

Last Updated: 01 October 2020

Deque is a Double Ended Queue which is implemented using the collections module in Python. Let us see how can we get the first and the last ...read more

Python

deque

Python collections-module

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Minimize the maximum difference between adjacent elements in an array

Last Updated: 04 July 2022

Given a non-decreasing array arr[] and an integer K, the task is to remove K elements from the array such that maximum difference between ad ...read more

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Rearrange a linked list in to alternate first and last element

Last Updated: 24 February 2023

Given a linked list. arrange the linked list in manner of alternate first and last element.Examples:Input : 1-2-3-4-5-6-7-8Output :1-8-2-7-3 ...read more

Implement Stack and Queue using Deque

Last Updated: 17 April 2024

Deque also known as double ended queue, as name suggests is a special kind of queue in which insertions and deletions can be done at the la...read more

deque::clear() and deque::erase() in C++ STL

Last Updated: 30 June 2022

Deque or Double-ended queues are sequence containers with the feature of expansion and contraction on both ends. They are similar to vectors ...read more

Deque::front() and deque::back() in C++ STL

Last Updated: 11 September 2023

Deque or Double Ended queues are sequence containers with the feature of expansion and contraction on both ends. They are similar to vectors ...read more

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Implementation of Deque using doubly linked list

Last Updated: 24 November 2023

Deque or Double Ended Queue is a generalized version of Queue data structure that allows insert and delete at both ends. In previous post Im...read more

0-1 BFS (Shortest Path in a Binary Weight Graph)

Last Updated: 17 April 2024

Given a graph where every edge has weight as either 0 or 1. A source vertex is also given in the graph. Find the shortest path from the sour...read more

Implementation of Deque using circular array

Last Updated: 21 September 2022

Implement a deque Using a circular array:Deque or Double Ended Queue is a generalized version of the Queue data structure that allows insert...read more

Deque interface in Java with Example

Last Updated: 10 April 2023

Deque interface present in java.util package is a subtype of the queue interface. The Deque is related to the double-ended queue that suppor...read more

Last Updated: 06 March 2023

Deque (Doubly Ended Queue) in Python is implemented using the module "collections". Deque is preferred over a list in the cases where we nee...read more

Python

deque

Python collections-module

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Deque in C++ Standard Template Library (STL)

Last Updated: 20 June 2023

Double-ended queues are sequence containers with the feature of expansion and contraction on both ends.They are similar to vectors, but are ...read more

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Deque | Set 1 (Introduction and Applications)

Last Updated: 18 March 2023

Deque or Double Ended Queue is a generalized version of Queue data structure that allows insert and delete at both ends.Operations on Deque: ...read more

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