数据结构与算法速查表

http://bigocheatsheet.com/

 

http://cooervo.github.io/Algorithms-DataStructures-BigONotation/index.html

http://visualgo.net/

http://www.cs.usfca.edu/~galles/visualization/Algorithms.html

http://dhruvbird.com/61.html

http://stackoverflow.com/questions/487258/plain-english-explanation-of-big-o

https://wiki.python.org/moin/TimeComplexity

http://www.topcoder.com/community/data-science/data-science-tutorials/