Codeforces Round #737 (Div. 2)
Difference between en11 and en12, changed 151 character(s)
Hello, Codeforces!↵
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I'm glad to invite you to [Codeforces Round #737 (Div. 2)](https://codeforces.me/contests/1557) , which will be held on [Monday, August 9, 2021 at 16:35 UTC+2](https://www.timeanddate.com/worldclock/fixedtime.html?msg=Codeforces+Round+%23737+%28Div.+2%29&iso=20210809T1635&p1=53&ah=2).↵
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This round **rated for the participants with rating lower than 2100**.↵
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You will be given **5 problems** and **2 hours** to solve them.all problems were prepared by me and [user:AhmedEzzatG,2021-08-04].↵
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One of the problems will be **interactive**. So, it is recommended to read the [guide on interactive problems](https://codeforces.me/blog/entry/45307) before the round.↵
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I would like to thank -↵
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1. [user:Aleks5d,2021-08-04], for awesome coordination of our round and suggested one of the problems.↵
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2. [user:Kaneki-kun,2021-08-04] for help us to prepare the problems. [user:compiler_101,2021-08-04] ,[user:Shanks,2021-08-04] ,[user:DeadPillow,2021-08-04] , and [user:Omar_Elawady,2021-08-04] for discussing and testing the problems.↵
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3. [user:MikeMirzayanov,2021-08-04], for the amazing Codeforces and Polygon platforms.↵
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4. **Testers**   [user:physics0523,2021-08-04] , [user:BlueDiamond,2021-08-04] ,  [user:Tlatoani,2021-08-04] ,[user:mahmoudbadawy,2021-08-04] , [user:Andreasyan,2021-08-04] , [user:IsaacMoris,2021-08-04] , [user:Error_404,2021-08-04] , [user:Basilhijaz,2021-08-04] , [user:hu_tao,2021-08-04] , [user:m371,2021-08-04] , [user:Blobo2_Blobo2,2021-08-04]  , [user:elizkaveta,2021-08-04] , [user:zetamoo,2021-08-04] , [user:Mohammed_Atef_Hassan,2021-08-04] , [user:tdpencil,2021-08-04] , [user:mcdx9524,2021-08-04] , [user:nGu,2021-08-04] , [user:_Hosam,2021-08-04] , [user:Bakry_,2021-08-05] , [user:N4553R,2021-08-04] , [user:rkm62,2021-08-04] , [user:Hemose,2021-08-06] , [user:Uzumaki_Narutoo,2021-08-06] , and our **VIP** tester [user:1-gon,2021-08-04]. ↵
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The statements are short and I have tried to make the pretests strong. I encourage you to read all the problems.↵
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This is our first official round on Codeforces. We are sincerely looking forward to your participation. We hope everyone will enjoy it.↵
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Good luck and see you in the standings!↵
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**UPD1** I want to thank [user:Aleks5d,2021-08-08] for translating statements into Russian and [user:mouse_wireless,2021-08-08] author of one of tasks 

History

 
 
 
 
Revisions
 
 
  Rev. Lang. By When Δ Comment
en18 English Mo2men 2021-08-09 22:44:41 460
en17 English Mo2men 2021-08-09 22:13:44 64
en16 English Mo2men 2021-08-09 21:45:58 454 (published)
en15 English Mo2men 2021-08-09 21:41:53 458 Tiny change: '_\n\n**UPD2**:\n\nWinners\n-' -> '_\n\n**UPD3**: Winners\n-' (saved to drafts)
en14 English Mo2men 2021-08-08 12:24:14 2 Tiny change: ' — 1250 —' -> ' — 1750 —'
en13 English Mo2men 2021-08-08 11:45:47 102
en12 English Mo2men 2021-08-08 02:46:15 151
en11 English Mo2men 2021-08-06 19:51:06 0 (published)
en10 English Mo2men 2021-08-06 03:25:03 63 Tiny change: 'Hemose] , and ou' -> 'Hemose] , [user:Uzumaki_Narutoo ] , and ou'
en9 English Mo2men 2021-08-05 21:38:43 204 Tiny change: 'our first round ever. We are s' -> 'our first official round on Codeforces. We are s'
en8 English Mo2men 2021-08-05 01:14:08 27 Tiny change: '] , [user:' -> '] , [user:Bakry_] , [user:'
en7 English Mo2men 2021-08-04 23:01:57 17
en6 English Mo2men 2021-08-04 22:57:58 294 Tiny change: 's will be interactive. So, it i' -> 's will be **interactive**. So, it i'
en5 English Mo2men 2021-08-04 22:44:59 54 Tiny change: '] , [user:' -> '] , [user:_Hosam] , [user:N4553R] , [user:'
en4 English Mo2men 2021-08-04 22:39:14 191 Tiny change: 'ems** and 2 hours to solve ' -> 'ems** and **2 hours** to solve '
en3 English Mo2men 2021-08-04 22:35:30 610 Tiny change: '] , and out **VIP** t' -> '] , and our **VIP** t'
en2 English Mo2men 2021-08-04 22:27:37 520 Tiny change: '3&ah=2).\nThis rou' -> '3&ah=2).\n\nThis rou'
en1 English Mo2men 2021-08-04 22:11:40 467 Initial revision (saved to drafts)