Discussion @ 1640. Circle of Winter @ Timus Online Judge

Online Judge	Problems	Authors	Online contests
About Online Judge Frequently asked questions Site news Webboard Links	Problem set Submit solution Judge status Guide	Register Update your info Authors ranklist	Current contest Scheduled contests Past contests Rules

Discussion of Problem 1640. Circle of Winter

I can't understand the problem

Posted by dwadwqe 28 Oct 2008 15:15

I can't understand the problem.
Help me,thanks.