Vidyarthiplus (V+) - Indian Students Online Education Forum

Here is a very useful place provides lots of tutorials for programmers and now here is a quiz for programmers available it can develop your programming skill.
Link is www.cprogramming.com/cgi-bin/quiz.cgi
If you find useful please reply,repute and share with everyone.

nice share bro..

you can use codechef.com also,