Competitive Programming Resources List

A list of excellent resources for most of the topics covered in Competitive Programming.

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TopCoder, GeeksForGeeks

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TopCoder, GeeksForGeeks

Divide and Conquer

Introduction: GeeksForGeeks

Number Theory

Introduction: TopCoder - 1, TopCoder - 2, GeeksForGeeks

Graph Theory

Intoduction: TopCoder, GeeksForGeeks

Blogs regarding problem editorials

http://www.cnblogs.com/ccz181078 - Chinese blog consisting extremely good problems and their editorials
http://e-maxx.ru/ - Good reading material for advanced topics
http://e-maxx-eng.appspot.com/ - English translation of e-maxx.ru.

Youtube channels related to CP

Petr Mitrichev - Lots of good round and how to think at feet!
Algorithms Live! - Editorials on different topics and problems every week!
MIT OpenCourseWare - Courses on programming and many more
Egor Kulikov