Codeforces Round #684 [Div1 and Div2]

Revision en7, by AliShahali1382, 2020-11-18 02:15:57
$$$~-\text{In the name of God}~-$$$

Hello Codeforces,

I'm glad to invite you to our first contest Codeforces Round #684 (Div. 1) and Codeforces Round #684 (Div. 2) which will be held at Nov/17/2020 17:35 (Moscow time) . The problems are invented and prepared by AliShahali1382, Mehrdad_Sohrabi, and Mohammad.H915. The round is rated for both divisions. You will be given 5 problems and 2 hours 15 minutes to solve them. I recommend you to read all the problems :)

Firstly I'd like to thank isaf27 for coordinating and reviewing the round, as well as helping with many different things.

Thanks for our testers 300iq, growup974, Atreus, Shayan.P, postscript, morzer, BledDest, UnstoppableChillMachine, MAMBA, Prabowo, WNG for testing and giving very helpful advice.

Finally, thanks to MikeMirzayanov for very nice and convenient Codeforces and Polygon platforms.

I hope you all will find the problems interesting. I wish you high scores and good luck!

Scoring distribution:

Div. 1: (500-500)-1250-1750-2500-2500

Div. 2: 500-1000-(750-750)-2000-2500

UPD : Editorial is out.

Tags announcement, cf684

History

 
 
 
 
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  Rev. Lang. By When Δ Comment
en7 English AliShahali1382 2020-11-18 02:15:57 0 (published)
en6 English AliShahali1382 2020-11-18 02:14:22 76 (saved to drafts)
en5 English AliShahali1382 2020-11-15 23:49:55 44
en4 English isaf27 2020-11-15 23:25:25 1
en3 English AliShahali1382 2020-11-15 23:24:49 15 (published)
en2 English AliShahali1382 2020-11-15 23:17:09 583
en1 English AliShahali1382 2020-11-15 23:07:14 813 Initial revision (saved to drafts)