This repo shows some very important data strubures and algorithms, implemented int C++.
http://algo.is/category/competitive-programming
https://www.coursera.org/course/algo
https://www.coursera.org/course/algo2
https://www.coursera.org/course/algs4partI
https://www.coursera.org/course/algs4partII
http://www.geeksforgeeks.org/fundamentals-of-algorithms
http://codercareer.blogspot.co.uk
https://www.youtube.com/channel/UCZSfwNcYIpqO8B9wnBg4HWA
http://maniali.wikispaces.com/file/view/Programming+Interviews+Exposed.PDF
https://code.google.com/p/elements-of-programming-interviewss
http://courses.csail.mit.edu/iap/interview/materials.php
https://github.com/andreis/interview#algorithms
https://github.com/brianquinlan/learn-rust
http://www.tldp.org/LDP/abs/html