You will be asked to solve five easy and not so easy problems for some King, whom you hardly heard anything before. The king hopes that the problems won't turn out very difficult to you, and he will have a wide choice among different solutions to each of the problems.
UPD. The contest has finished, thanks to all of you.
The Results table.
Greeting to rng_58 for his win in today's round!
Problem statements can be downloaded as a single PDF-file:
P.S. Don't forget to look through Codeforces Format contest rules, if you participate for the first time!