Codeforces Round #631 (Div. 1 and Div. 2) — Thanks, Denis aramis Shitov!
Difference between en15 and en16, changed 100 character(s)
Hello, everyone! [Codeforces Round #631](https://mirror.codeforces.com/contests/1329,1330) will be held at [contest_time:1329].↵
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The problems are almost from me([user:dreamoon_love_AA,2020-04-01]), except one problem of which the idea is from [user:drazil,2020-04-01] and developed by me. Also we want to thank [user:300iq,2020-04-01] for helping me prepare the round, [user:isaf27,2020-04-01], [user:tmt514,2020-04-01], [user:rowdark,2020-04-01], [user:yp155136,2020-04-01], [user:wangyenjen,2020-04-01], [user:n_dao107,2020-04-01]  and [user:zj713300,2020-04-01] for testing this round, and MikeMirzayanov for Codeforces and Polygon.↵
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This is my third time organizing a problemset for a Codeforces round (my previous rounds: [Codeforces Round #292](https://mirror.codeforces.com/contests/515,516), [Codeforces Round #320](https://mirror.codeforces.com/contests/578,579)).↵
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Good luck and have fun!↵
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**UPD**: Below is a message for you from [user:MikeMirzayanov,2020-04-02]:↵
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_About two weeks ago, we completed the crowdfunding campaign dedicated to the 10th anniversary of Codeforces. Community help inspires and provides resources for the development and operation of the platform. Thanks! With this round, we want to say thank you to Denis [user:aramis,2020-04-02] Shitov, for his significant contribution and support. It is valuable, important and very nice when people from the community lend a helping hand and congratulate. Thank you, Denis!_↵
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**UPD2**: Also thanks to [user:Shik,2020-04-03] for testing the round!↵
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**UPD3**: Score distribution:↵
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- Div2: 500 1000 1500 1750 2500↵
- Div1: 500 750 1500 2000 2500

History

 
 
 
 
Revisions
 
 
  Rev. Lang. By When Δ Comment
en18 English dreamoon_love_AA 2020-04-05 20:07:10 661
en17 English dreamoon_love_AA 2020-04-04 12:34:59 73
en16 English dreamoon_love_AA 2020-04-03 17:27:35 100
en15 English dreamoon_love_AA 2020-04-03 17:01:35 76
en14 English MikeMirzayanov 2020-04-02 17:53:56 43 (published)
en13 English MikeMirzayanov 2020-04-02 17:52:39 555 (saved to drafts)
en12 English dreamoon_love_AA 2020-04-02 12:12:39 2 Tiny change: 's Round #272](https:/' -> 's Round #292](https:/'
en11 English dreamoon_love_AA 2020-04-01 21:26:48 0 (published)
en10 English dreamoon_love_AA 2020-04-01 20:05:41 47 Tiny change: '579)).\n\nScore distribution will be announced later.\n\nGood ' -> '579)).\n\nGood '
en9 English dreamoon_love_AA 2020-04-01 20:04:53 74
en8 English dreamoon_love_AA 2020-04-01 15:18:41 176
en7 English dreamoon_love_AA 2020-04-01 15:09:35 27 Tiny change: 'everyone! Codeforces Round #631 will be h' -> 'everyone! [contest:1329] will be h'
en6 English dreamoon_love_AA 2020-04-01 07:44:05 4 Tiny change: '20-04-01]). Except one ' -> '20-04-01]), except one '
en5 English dreamoon_love_AA 2020-04-01 07:43:33 5 Tiny change: '20-04-01] wing for testi' -> '20-04-01] for testi'
en4 English dreamoon_love_AA 2020-04-01 07:43:09 352
en3 English dreamoon_love_AA 2020-04-01 07:00:40 288
en2 English dreamoon_love_AA 2020-04-01 06:36:49 4 Tiny change: 'es Round #320 will be h' -> 'es Round #631 will be h'
en1 English dreamoon_love_AA 2020-04-01 06:36:30 109 Initial revision (saved to drafts)