Resources

[ishant...@gmail.com]

Tutorials / Articles

GeeksforGeeks

http://www.geeksforgeeks.org/

GeeksforGeeks is undoubtedly one of the best websites to learn data structures and algorithms. It's similar to wiki where people contribute articles. There are ample articles which discuss data structures algorithms from the very basic to advanced topics. There's a separate topic on competitive coding where you can get to know the common techniques used. Though the site is more than just DSA. It can also be used to learn other topics of computer science and is helpful for interview preparation too.

You might wanna read this-
http://www.geeksforgeeks.org/how-to-prepare-for-acm-icpc/

TopCoder Tutorials

https://www.topcoder.com/community/data-science/data-science-tutorials/
This has excellent tutorials written by topcoder members. You'll find lots of advanced topics discussed here in simple and elegant ways.

E-Maxx (Russian)

https://e-maxx.ru/index.php

This is a Russian website with some advanced tutorials and algorithms. Only a small fraction of the original site is translated into English, but Google Translate would work okay.

PEG Wiki

http://wcipeg.com/wiki/Special:AllPages

A very extensive wiki containing almost all algorithms with implementation and discussion.

Codechef Discussion

https://discuss.codechef.com/questions/48877/data-structures-and-algorithms

Apart from the online judge, codechef also has a discussion forum with really good explanations of data structures and algorithms.

Commonlounge

https://www.commonlounge.com/discussion/d4a14f601eb44281b6c579e73d126cca/main?r=acp

Short video tutorials for beginner and intermediate concepts. Advanced tutorials selected from the best ones available on various CP blogs.

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This page has a compilation of most resources, discussions about online sites to practice, courses / books etc. Do visit it for more information

http://codeforces.com/blog/entry/23054

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