This is a website where spoj problems are classified based on the algorithm/data structure to be used and also based on level of difficulty.
http://problemclassifier.appspot.com/
I found this pretty useful for selecting problems to solve.
This is a website where spoj problems are classified based on the algorithm/data structure to be used and also based on level of difficulty.
http://problemclassifier.appspot.com/
I found this pretty useful for selecting problems to solve.