sszcdjr's blog

Refact.ai Match 1 (Codeforces Round 985, Div. 1 + Div. 2)
By sszcdjr, history, 4 weeks ago, In English

Hello, Codeforces!

We (KDOI Team) are glad to invite you to take part in Refact.ai Match 1 (Codeforces Round 985), which is the 8th CP contest held by us! You can view the previous rounds by us here.

  • Number of problems: $$$9$$$ ($$$0$$$ interactive);
  • Start time: Nov/09/2024 17:35 (Moscow time);
  • Contest duration: $$$180$$$ minutes;
  • Score distribution: $$$750-1250-1750-2250-2500-3000-3500-5000-5500$$$.

The problems were authored and prepared by Error_Yuan, wyrqwq, Otomachi_Una and me sszcdjr.

A few words from our sponsor:

We’re Refact.ai, an open-source AI Coding Assistant, and on November 9th, we’ll be hosting our first round on Codeforces! Winners will receive valuable prizes, and all participants will have a chance to get some exclusive merch from us.

Refact.ai is pushing AI beyond simple code completion. Soon, we’ll launch the Autonomous AI Agent—a developer’s buddy that handles real engineering tasks end-to-end, from planning and coding to testing and deployment. You can read more about us in this announcement.

If you're excited about AI in software development and want to build the future instead of focusing on the trivial, join Refact.ai, founded by a former OpenAI researcher. We’re looking for talented Researchers and Backend developers to join our team.

Apply

Prizes:

  • 1st place: 500 USDT
  • 2nd place: 300 USDT
  • 3rd place: 200 USDT
  • 4-5th place: 100 USDT
  • Top 50 participants will get T-Shirts
  • Additionally, 50 random participants from the top 51-500 will receive a T-shirt

Good luck in the contest!

On the right, badges of the authors. From top to bottom, left to right are Error_Yuan, Otomachi_Una, sszcdjr and wyrqwq respectively.

We would like to thank:

Good Luck & Have Fun!

  • Vote: I like it
  • +110
  • Vote: I do not like it

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27 hours ago, # |
  Vote: I like it +21 Vote: I do not like it

As an author, I can confirm that no problems are authored by AI!

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    27 hours ago, # ^ |
      Vote: I like it +21 Vote: I do not like it

    As another author, I can confirm that as I authored at least one problem, I'm not AI!

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      119 minutes ago, # ^ |
        Vote: I like it +21 Vote: I do not like it

      I think you are a bot as I don't know how your mind works.

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      108 minutes ago, # ^ |
        Vote: I like it +9 Vote: I do not like it

      As a tester, I can confirm that the authors are all bots.

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106 minutes ago, # |
  Vote: I like it 0 Vote: I do not like it

As a bot, I can't participant in this contest.

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102 minutes ago, # |
  Vote: I like it +13 Vote: I do not like it

As a tester, I was really looking forward to participating in this sponsored contest, only to realize that I had already tested it.

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101 minute(s) ago, # |
  Vote: I like it +6 Vote: I do not like it

As the boyfriend of the girlfriend of the tester cayaxi09, may you good luck & have fun!

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    54 minutes ago, # ^ |
      Vote: I like it +1 Vote: I do not like it

    Didn't think that relationship is commutative, until I saw the same name. Well played!

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83 minutes ago, # |
  Vote: I like it +3 Vote: I do not like it

The round's number "985" is special for chinese, especially for our students.

Hope you all can perform well in the "special" round.

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57 minutes ago, # |
  Vote: I like it 0 Vote: I do not like it

As a newbie, I hope that I learn more in this contest.

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50 minutes ago, # |
  Vote: I like it 0 Vote: I do not like it

The score distribution is scaring. I hope I can reach master in the contest.

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44 minutes ago, # |
  Vote: I like it +6 Vote: I do not like it

As a tester, I might lose a T-Shirt.

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43 minutes ago, # |
← Rev. 2   Vote: I like it +1 Vote: I do not like it

I wonder what the tourist will choose: the chance to win money with the risk of losing their rating, or doing nothing at all?

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23 minutes ago, # |
  Vote: I like it +3 Vote: I do not like it

As an author, I prepared $$$998244353$$$ problems and wrote $$$998244353$$$ pieces of editorial in all (modulo $$$998244353$$$).

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7 minutes ago, # |
  Vote: I like it +2 Vote: I do not like it

Love the score distribution, 750 for A problem means 1 WA only cost ~ 7% score...

It'll be less painful for stupidity submission sometimes.

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