Lemonade255's blog

By Lemonade255, 11 months ago, In English

Hello Codeforces!

I'm glad to invite you to participate in Codeforces Round #665 (Div. 2) taking place on Aug/21/2020 17:35 (Moscow time). The round is rated for users whose rating is lower than 2100.

All problems were mainly created and prepared by me, and I'd also like to thank:

You will be given 6 problems and 2 hours to solve them. The score distribution will be announced closer to the start of the round.

Good luck, and have fun!

UPD1 : Score distribution is 50010001500175025002500.

UPD2 : Editorial

UPD3 : System testing has finished. We hope you enjoyed the contest :)

UPD4 : Congratulations to the winners!

Div.1 (Out of competition)

  1. Proszek_na_ludka
  2. Egor
  3. jiangly
  4. Geothermal
  5. dlalswp25
  6. antontrygubO_o
  7. I_Remember_Olya_ashmelev
  8. Maksim1744
  9. Heltion
  10. SSRS_

Div.2

  1. gamegamewillwinioi2021
  2. altair-chan
  3. Isouau
  4. rainboy
  5. kissenok
  6. Noche_5
  7. ghj1222
  8. nitinjan06
  9. Rchen3
  10. Gotz_X

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By Lemonade255, 11 months ago, In English

Thank you for participating. I hope you enjoyed the contest!

1401A - Distance and Axis

Tutorial
Solution Code
Behind Story

1401B - Ternary Sequence

Tutorial
Solution Code
Behind Story

1401C - Mere Array

Tutorial
Solution Code
Behind Story

1401D - Maximum Distributed Tree

Tutorial
Solution Code
Behind Story

1401E - Divide Square

Tutorial
Solution Code
Behind Story

1401F - Reverse and Swap

Tutorial
Solution Code
Behind Story

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