Codeforces Round #684 [Div1 and Div2]

Revision en5, by AliShahali1382, 2020-11-15 23:49:55
$$$~-\text{In the name of God}~-$$$

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, _cherry_, 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

Tags announcement, cf684


  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)