data stuctures specific questions..!!

hey everyone … !!
i m new to relatively new to coding and wondering how do i find problems specific to a topic like trees or graphs…!!
write now i have done quite a few problems in the easy practice section here on codechef but i want more conceptual problems…!!
plz help…!!


check this out.you will get some help.

Check these out :slight_smile:

http://problemclassifier.appspot.com/

http://vnoi.info/index.php?option=com_voj&task=classify&site=spoj

http://ahmed-aly.com/Categories.jsp

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