I think we can spread the science over Codeforces community, by sharing our
experiences in our blog and in that way we learn and let others learn also :D.
I will start with something simple and I hope it will help you Codeforces members :D.
Did you know that [C++] got
StringTokenizer like [Java], it's implemented as a function in STL
strtok(char * str, char * delimiters) for more information.