Codeforces round #165 will start today at 19:30 in Moscow time. It will be a round held in both divisions, the first one after a long two-week break for Div I participants. :)
This time the problems were prepared by me, Evgeny Vihrov (gen), and Krisjanis Prusis (cfk). Apart from competing together in ACM ICPC this year, we are also colleagues in a project that involves much algorithmic thinking. Actually, some of the contest problems were born during the work on this project.
In this contest you will get to know a legendary hero Emuskald of many talents and help him complete his ingenious ideas. The problems cover a multitude of algorithmic concepts, so as always we hope that each participant will find a problem that matches his taste.
Big thanks to Gerald Agapov (Gerald) for help during the preparation of this contest, to Maria Belova (Delinur) for problem statement translation and also to Mikhail Mirzayanov (MikeMirzayanov) for the excellent contest-making platform for Codeforces — Polygon.
We wish you an exciting round!
UPD1: Score distribution:
DivII: 500 1500 1500 2000 2500
DivI: 500 1000 1500 2000 2500
UPD2: Congratulations to the winners!
UPD3: Tutorial is available.