Tag: The data structure

The back-end

This article explains the operation of linked lists, so you can easily write the correct list code after reading it

January 31, 2024

by Dr. Andrew Palmer

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Master linked list three magic weapon: always remember to prevent pointer loss; Introducing sentinels to simplify linked list operations; Double Pointers are cleverly used to...

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The back-end

199. Right view of binary trees

January 31, 2024

by Manjari Dhingra

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https://leetcode-cn.com/problems/binary-tree-right-side-view/ Method 1: BFS or sequence traversal reference [102. Binary tree

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The front end

[Luffy] Leetcode-1670 Design front, middle and back queue (today comes bladder bureau)

January 31, 2024

by Luis Bishop

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Design a queue that supports push and pop operations in the front, middle, and back positions. You complete the FrontMiddleBack class: FrontMiddleBack() to initialize the...

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The back-end

Data Structures (1) – Dynamic array ArrayList implementation

January 31, 2024

by Paula Eglinton

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Custom dynamic array ArrayList implementation, including the ability to store basic data types of dynamic array and store reference data types of dynamic object array

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The back-end

Expression evaluation

January 31, 2024

by 劉鈺婷

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I left a problem at the end of the last article, evaluating the expression 4 + 2 * 3-10/5. To the computer, all it sees...

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The back-end

Talk about the stack.

January 31, 2024

by Marie Anderson

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Queues, a data structure described in detail in previous articles, are linear first-in, first-out (FIFO) tables. A stack, as opposed to a queue, is a...

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The back-end

A few words about HashMap

January 31, 2024

by Lauren Johnson

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This article introduces the hash algorithm and some principles of HashMap, the data structure of HashMap, the difference between 1.7 and 1.8, member variables, expansion...

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The front end

Data structure & Algorithm: JS encapsulates the stack structure

January 31, 2024

by 周佳樺

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Recently are learning data structure and algorithm, while the front-end directly used in the actual business development in general is not much, but these can...

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The back-end

(Super detailed) Hands-on writing – stack, queue (Java implementation)

January 31, 2024

by Janice Walker

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Compared with arrays and linked lists, stacks are linear data structures that store the same types of data, but with more limitations. For example: Only...

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The back-end

Let’s get Together -LinkedList

January 31, 2024

by Jessica Daniels

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The collection we are going to study today is LinkedList. Before we study LinkedList, let's take a look at the interview questions related to LinkedList....

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The front end

Probe into the engineering implementation of front-end CRDT real-time collaboration library Yjs

January 31, 2024

by 王志偉

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The CRDT base library opens up fantastic possibilities for front-end applications: as long as an API is almost as simple as Backbone's Model layer, your...

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The back-end

Binary heap principle and handwritten a priority queue

January 31, 2024

by Natalie Hale

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A queue is a first-in, first-out data structure in which the first element put into the queue is dequeued first. But there is a scenario...

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The front end

[luffy]_JavaScript Large and small root heap

January 31, 2024

by Parinaaz Tailor

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Preamble recently encountered something called "big root heap" in leetcode. First of all, I'm not quite sure what it is, so I can't change the...

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ios

Elegant data structure – and lookup sets

January 31, 2024

by Sophie Ward-Best

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Consider the definition of the word "relative" : "one who is related by blood or marriage." You and your girlfriend's family are not relatives per...

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The back-end

Algorithm clearance manual: 08 array sliding window

January 30, 2024

by Nigel Booth

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Sliding Window: Maintains a Window of fixed or variable length on a given array/string. You can slide the window, zoom in and out, and maintain...

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The back-end

Data structure – Queue (Queue) principle and Java implementation cases

January 30, 2024

by Noah Castillo

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This paper introduces the basic concept of queue in detail, and implements queue based on sequential structure and chain structure using Java language respectively. A...

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The back-end

Simple implementation of department tree management based on MPTT

January 30, 2024

by Scott Hernandez

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MPTT (Modified Preorder Tree Taversal) is a Modified Preorder Tree traversal. In fact, MPTT adds left and right nodes to each node based on a...

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The back-end

Tree structure series (4) : iS MongoDb using B tree or B+ tree?

January 30, 2024

by Nicola Gardner

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Does MongoDb use B trees or B+ trees? Does MongoDb use B trees or B+ trees? Does MongoDb use B trees or B+ trees?

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The back-end

Data structure – LinearList and Java implementation cases

January 30, 2024

by 熊雅萍

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The implementation logic of array and linked list based on Java linear list is introduced in detail, and the Java implementation cases of array linear...

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The back-end

GIF demo: two ways to achieve stack handlift!

January 30, 2024

by Jonathan Johnson

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Before the official start of the and some friends talk about the late to the back of the article plans to write something about the...

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The back-end

Algorithm clearance manual: 07 array double pointer

January 30, 2024

by Trevor Curtis

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Double pointer: Refers to the use of two Pointers to traverse an element to achieve the corresponding purpose. If two Pointers are in opposite directions,...

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The back-end

Introduce you to several data structures in Java

January 30, 2024

by Wendy Haynes

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As a Java developer, it is necessary to understand some of the data structures involved in Java, and understanding data structures does not help you...

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ios

Love data structures and algorithms

January 30, 2024

by Jeffery Mitchell

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Program = Data Structure + Algorithm What is a data structure? Data structure is a computer's way of storing and organizing data. Study = record...

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The back-end

“Data Structure and Algorithm” B tree graphic explanation (complete code included)

January 30, 2024

by Anthony Thompson

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So far, we have introduced binary lookup trees and AVL trees, always assuming that the entire data structure can be stored in memory. However, if...

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The front end

[Luffy]LeetCode 641. Design loop double end queue

January 30, 2024

by 李信宏

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Design and implement a two-end queue. Your implementation needs to support the following operations: MyCircularDeque(k) : constructor, double-ended queue size k. InsertFront () : Adds...

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The front end

Data structures – Linked lists

January 30, 2024

by Kahurangi Gee

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From the basic concept of the linked list to the diagram and code to explain the representation of the data structure of the linked list,...

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The back-end

124. Maximum path sum in binary trees

January 30, 2024

by 李鈺婷

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At each node, there are three options: 1.

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The front end

We’ll walk you through red black trees step by step

January 30, 2024

by Chelsea Parrish DDS

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TreeMap, Hashmap, TreeMap, TreeMap, Hashmap, TreeMap, Hashmap, TreeMap, Hashmap, TreeMap, Hashmap

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reading

Explore the essence of red-black tree from its root

January 30, 2024

by Ehsaan Yohannan

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This article mainly explains recently has been heard of the red black tree, see what is the fairy ghost. A Binary tree is a tree...

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The front end

We’ll walk you through red black trees step by step

January 30, 2024

by Hannah Morgan

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In some knowledge about trees, we will always hear about B trees and red-black trees. This time, we will go step by step from binary...

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