Code随想录 (LeetCode-Master) is a structured LeetCode study plan covering data structures and algorithms, with 200+ curated problems, detailed图文 solutions, and video lectures, supporting C++、Java、Python and other languages.
Developer toolsProductivityTemplates & starters
Hello Algorithm is a free open-source introductory tutorial on data structures and algorithms, featuring animated illustrations and runnable code. It supports five languages and 14 programming languages, making it ideal for beginners.
ProductivityNotes & knowledge