## Books
- [Competitive Programming 3](https://cpbook.net/) by Steven Halim and Felix Halim
- [Competitive Programmer's Handbook](https://cses.fi/book.html) by Antti Laaksonen [^2]
- [Principles of Algorithmic Problem Solving](http://www.csc.kth.se/~jsannemo/slask/main.pdf) by Johan Sannemo (in progress)

### Math/geometry-oriented
- [Trophy Hunting in the Infinite Jungle of Finitude](https://quasisphere.io/trophy.pdf) by Janne Junnila
- [Handbook of geometry for competitive programmers](https://vlecomte.github.io/cp-geo.pdf) by Victor Lecomte (in progress) [^3]

## Blogs
- [The bit talk](http://mradwan.github.io/)
- [Threads @ IIIT Hyderabad](https://threads-iiith.quora.com/)

### Math-oriented
- [COME ON CODE ON](https://comeoncodeon.wordpress.com/)
- [I write, therefore I am](http://am-just-a-nobody.blogspot.is/)

## Collections
- [Awesome Competitive Programming](https://github.com/lnishan/awesome-competitive-programming)

[^2]: <http://codeforces.com/blog/entry/50728>
[^3]: <https://codeforces.com/blog/entry/59129>