Impotant Topics

Bitwise operations in C: Part 1:-

http://zobayer.blogspot.com/2009/12/bitwise-operations-in-cc-part-1.html

Bitwise operations in C: Part 2:-

http://zobayer.blogspot.com/2009/12/bitwise-operations-in-c-part-2.html

Bitwise operations in C: Part 3:-

http://zobayer.blogspot.com/2009/12/bitwise-operations-in-c-part-3.html

RECURSION:-

https://sites.google.com/site/smilitude/tutorials