Hello, Codeforces!↵
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I am happy to announce Codeforces Round #331 (Div. 2)! The round will be held on [November 15th at 7:35 MSK](http://www.timeanddate.com/worldclock/fixedtime.html?day=15&month=11&year=2015&hour=19&min=35&sec=0&p1=166). Div. 1 users can participate out of contest.↵
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The problem set was prepared by me (Girishvar Venkat) and [user:jaina,2015-11-14] (Jeffrey Zhang). I sincerely thank [user:GlebsHP,2015-11-14] (Gleb Evstropov) for helping with the preparations of the contest. I also thank [user:thesilione,2015-11-14] (Bili Sun) for testing this round.↵
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The hero for this round will be Wilbur the pig, after my good friend [user:wilbs43,2015-11-14] (Wilbur Li).↵
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Scoring will be 500-1000-1500-2250-2500.↵
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Hope you enjoy this round and wish you high rating!↵
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**UPD**: Contest is over. Here is a link to editorial: [Editorial](http://mirror.codeforces.com/blog/entry/21599).
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I am happy to announce Codeforces Round #331 (Div. 2)! The round will be held on [November 15th at 7:35 MSK](http://www.timeanddate.com/worldclock/fixedtime.html?day=15&month=11&year=2015&hour=19&min=35&sec=0&p1=166). Div. 1 users can participate out of contest.↵
↵
The problem set was prepared by me (Girishvar Venkat) and [user:jaina,2015-11-14] (Jeffrey Zhang). I sincerely thank [user:GlebsHP,2015-11-14] (Gleb Evstropov) for helping with the preparations of the contest. I also thank [user:thesilione,2015-11-14] (Bili Sun) for testing this round.↵
↵
The hero for this round will be Wilbur the pig, after my good friend [user:wilbs43,2015-11-14] (Wilbur Li).↵
↵
Scoring will be 500-1000-1500-2250-2500.↵
↵
Hope you enjoy this round and wish you high rating!↵
↵
**UPD**: Contest is over. Here is a link to editorial: [Editorial](http://mirror.codeforces.com/blog/entry/21599).