This contest was held as part of the Winter Programming School (ws.kh.ua),which was carried out in Kharkiv on February 14-24, 2014. The author of the contest is Sergey Kopeliovich, contest subject: Brute-force search and NP-complete problems.
Virtual contest is a way to take part in past contest, as close as possible to participation on time. It is supported only ICPC mode for virtual contests.
If you've seen these problems, a virtual contest is not for you - solve these problems in the archive.
If you just want to solve some problem from a contest, a virtual contest is not for you - solve this problem in the archive.
Never use someone else's code, read the tutorials or communicate with other person during a virtual contest.
→ Practice?
Want to solve the contest problems after the official contest ends? Just register for practice and you will be able to submit solutions.
