kefaa's blog

By kefaa, 9 months ago, In English,

Today I found I can choose IOI format for my mashup (in "Edit" tab). It looks like a new feature but I can't deal with it :D.

Submitting author's solution returns the next verdict: "Partial result: 0 points"

Opening standings references me to error page:

So I thought I should set points for the problem in polygon, but I didn't find such feature. Codeforces, how to set an IOI-style contest in mashup if it possible? Or is this feature still under development?

Read more »

  • Vote: I like it  
  • +108
  • Vote: I do not like it  

By kefaa, 12 months ago, translation, In English,

Hello, Codeforces community!

Codeforces Round #384 for the second division will take place on Wednesday, 14 December 17:35 MSK. Traditionally, first division participants will be able to take part out of competition.

Round was prepared by Yury hloya_ygrt Shilyaev and me, Kirill kefaa Gulin.

Many thanks to Nikolay KAN Kalinin for his help with the contest preparation and Mike MikeMirzayanov Mirzayanov for the Codeforces and Polygon systems.

You will be offered 5 problems and 2 hours for solving them.

Scoring will be announced closer to the beginning of the round.

UPD: Scoring is 500 — 1000 — 1250 — 2000 — 2500

UPD2. The contest is over! Hope you enjoyed it :)


Congratulations to the winners!


  1. TheBartender

  2. OMGIncredible

  3. lesskreker

  4. xyt520

  5. SpinyAnteater

  6. y32M-71693993

  7. Medded

  8. tqyaaaaaaaang

  9. Fiks_warrior

  10. 00001


  1. Um_nik

  2. kmjp

  3. Temirulan

  4. zscoder

  5. rajat1603

Read more »

  • Vote: I like it  
  • +320
  • Vote: I do not like it