Codeforces Round #643 (Div. 2)
Difference between en3 and en4, changed 66 character(s)
Hello, Codeforces!↵
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I'm glad to invite you to Round 643 which will start at [contest_time:1355]. **Please notice the unusual time.**↵
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There will be 6 problems in round, one of them will be interactive. If you are not familiar with interactive problems, you can learn about them [here](https://codeforces.net/blog/entry/45307).↵
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Round is based on Team Olympiad in Lipetsk which is being held for the fifth time. Problems were prepared by [user:fake123,2020-05-13], [user:iura,2020-05-13], [user:Masha237,2020-05-13], [user:Villen3tenmerth,2020-05-13], Inessa Shujkova (Lipetsk teams' coach) and me. I would like to thank [user:antontrygubO_o,2020-05-13] for CF round coordination and testers: [user:KAN,2020-05-13], [user:I_love_Tanya_Romanova,2020-05-13], [user:vepifanov,2020-05-13], [user:Merkurev,2020-05-13], [user:golikovnik,2020-05-13], [user:Ekler,2020-05-13] and some other people who asked me not to write about them :)↵
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Of course, I'd like to thank all Codeforces team for this beautiful platform!↵
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Scoring distribution will be announced later.↵
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Wish you good luck and high rating!↵
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**UPD.1** Scoring distribution: $750-750-1250-1500-2000-3000$.

History

 
 
 
 
Revisions
 
 
  Rev. Lang. By When Δ Comment
en7 English DishonoredRighteous 2020-05-16 22:40:03 85 Tiny change: ' [contest:https://codeforces.net/gym/102599]' -> ' [contest:102599]'
en6 English DishonoredRighteous 2020-05-16 22:36:10 436
en5 English DishonoredRighteous 2020-05-16 16:40:48 85
en4 English DishonoredRighteous 2020-05-15 23:48:36 66
en3 English DishonoredRighteous 2020-05-14 17:18:47 0 (published)
en2 English DishonoredRighteous 2020-05-13 20:45:12 21 Tiny change: '3], [user:LeBron,2020-05-13], [user:v' -> '3], [user:I_love_Tanya_Romanova], [user:v'
en1 English DishonoredRighteous 2020-05-13 16:56:06 1118 Initial revision (saved to drafts)