GTOI: Graph Theory for Olympiad in Informatics

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Hello Codeforces!

We're excited to announce GTOI: Graph Theory for Olympiad in Informatics, a free, community-driven book designed specifically for competitive programming.

Why it's important and different:

Completely Free & Open Source: High-quality knowledge, accessible to everyone.
Massive Coverage: It covers from the fundamentals like DFS, BFS to advanced topics like Heavy-Light Decomposition and Min-Cost Max-Flow.
Contest-Ready Code: Short, fast C++ snippets ready for you to use in a contest.

This is a community project, and we need your help!

The book is on GitHub, and we invite you to help us make it better. You can:

Contribute: Fix issues, add new topics, add images, or provide alternative code implementations.
Translate: Help us bring GTOI to your native language.