I invite all you guys to participate in the June short contest on CodeChef.
Contest will start at Sunday June 19, at 20:00 MSK and continue for 2,5 hours.
This time I am the problem-setter.
It is my third short contest on CodeChef.
I was the problem-setter in January and in March this year.
The contest will consist of 5 problems of varying difficulty.
Top 10 performers will receive prizes from organizers.

In order to participate in the contest you just need to register on www.codechef.com and wait for the beginning.