500 animated illustrations, 14 programming languages, and 3000 community Q&As to help you dive into data structures and algorithms.
Endorsements
“An easy-to-understand book on data structures and algorithms, which guides readers to learn by minds-on and hands-on. Strongly recommended for algorithm beginners!”
—— Junhui Deng, Professor, Department of computer science and technology, Tsinghua University
“If I had 'Hello Algo' when I was learning data structures and algorithms, it would have been 10 times easier!”
—— Mu Li, Senior principal scientist, Amazon
Animated illustrations
It’s crafted for a smooth learning experience.
"A picture is worth a thousand words."
Off-the-shelf code
One click to run code in multiple languages.
"Talk is cheap. Show me the code."
Learning together
Don’t hesitate to ask or share your thoughts.
"Learning by teaching."
Author
Code reviewers
English version reviewers
Contributors
This book has been refined by the efforts of over 180 contributors. We sincerely thank them for their invaluable time and contributions!