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Rare Earth Juejin Tech Community
Rare Earth Juejin Tech Community
Oct 14, 2021 · Fundamentals

Introduction to Data Structures and Algorithms: Basics, Sorting, and Advanced Structures

This article introduces the fundamentals of data structures and algorithms, covering basic structures such as arrays and linked lists, common sorting algorithms, advanced structures like B+ trees and red‑black trees, explains Big O notation, and provides Java code examples for dynamic arrays, linked lists, queues, and stacks.

AlgorithmsArraysBig O
0 likes · 15 min read
Introduction to Data Structures and Algorithms: Basics, Sorting, and Advanced Structures
Intelligent Backend & Architecture
Intelligent Backend & Architecture
May 14, 2021 · Fundamentals

Mastering Algorithms: Definitions, Design Principles, and Complexity Explained

This article provides a comprehensive overview of algorithms, covering their definition, five essential characteristics, design principles, time and space complexity analysis, common complexity classes, and a variety of algorithmic strategies such as recursion, greedy, divide‑and‑conquer, and dynamic programming.

AlgorithmsBig OData Structures
0 likes · 25 min read
Mastering Algorithms: Definitions, Design Principles, and Complexity Explained
Sohu Tech Products
Sohu Tech Products
Oct 14, 2020 · Fundamentals

Understanding JavaScript Arrays and Objects: Operations and Big O Complexity

This article explains when to use JavaScript arrays versus objects by describing their memory layout, common operations such as adding, removing, and searching elements, and analyzing each operation's time complexity using Big O notation, while also covering hash collisions and practical performance considerations.

ArraysBig OData Structures
0 likes · 12 min read
Understanding JavaScript Arrays and Objects: Operations and Big O Complexity
Liangxu Linux
Liangxu Linux
Jul 20, 2020 · Fundamentals

Essential Big O Cheat Sheet: Quick Reference for Algorithm Complexity

This article presents a concise Big O cheat sheet that aggregates the time‑complexity notations for common data structures, sorting algorithms, graph and heap operations, and visualizes performance curves, helping readers quickly recall best‑, worst‑, and average‑case scenarios.

Big OCheat SheetData Structures
0 likes · 3 min read
Essential Big O Cheat Sheet: Quick Reference for Algorithm Complexity
Programmer DD
Programmer DD
Feb 27, 2020 · Fundamentals

Master Algorithm Complexity with This Big‑O Cheat Sheet

This article introduces a Big‑O cheat sheet that summarizes the time and space complexities of common algorithms and data‑structure operations, providing quick reference tables and visual charts to help developers recall best, worst, and average case performances.

Big OCheat Sheetalgorithm complexity
0 likes · 2 min read
Master Algorithm Complexity with This Big‑O Cheat Sheet