Bookmarks
Bookmarks
A curated collection of useful sites, organized by category.
Self-study
CS and math, on your ownCS 自学指南
Open courses for self-studying CS, curated in Chinese
Teach Yourself CS
Self-study CS curriculum, one subject at a time
OSSU
Free, open-source path to a CS education
Maki Math
Math knowledge map with mastery tracking
3Blue1Brown
Visual explanations of math
StatQuest
Statistics and ML explained clearly
Seeing Theory
Visual introduction to probability and statistics
Immersive Linear Algebra
Linear algebra book with interactive figures
Chicago Undergrad Math Bibliography
Annotated textbook picks by subject
Algorithms
Problem lists and competitive programmingCSES Problem Set
Classic competitive programming problem set
Grind 75
Interview prep schedule beyond Blind 75
NeetCode 150
Interview problems grouped by pattern
代码随想录
Chinese algorithms study path by topic
AtCoder Problems
Practice tracker and difficulty estimates for AtCoder
USACO Guide
Free, curated competitive programming curriculum
C2 Ladders
Codeforces problem ladders by rating
CP-Algorithms
Algorithm and data structure articles
OI Wiki
Chinese competitive programming wiki






