Basic: Tushar Roy (youtuber)
Algorithms: Design and Analysis, Part 1
Algorithms: Design and Analysis, Part 2
MIT - Introduction to Algorithms (Lecture Videos)
数据结构与算法 Data Structures and Algorithms
CS Dojo (Coding Interviews) Google, Amazon, Facebook
Hackerrank (Coding Interview)
Pramp (Practice Makes Perfect, Coding Interviews)