maroonrk's blog

AtCoder Regular Contest 172 Announcement
By maroonrk, history, 10 months ago, In English

We will hold AtCoder Regular Contest 172.

The point values will be 500-500-600-700-800-1000.

We are looking forward to your participation!

  • Vote: I like it
  • +92
  • Vote: I do not like it

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10 months ago, # |
  Vote: I like it +6 Vote: I do not like it

A with 500 points, the first time in ARC history!

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10 months ago, # |
  Vote: I like it +9 Vote: I do not like it

It seems that it has the same time with Codeforces round 927......

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10 months ago, # |
  Vote: I like it +52 Vote: I do not like it

This was our first AtCoder writer since ARC 131 (more than 2 years ago). I hope you enjoyed the problem.

Thank you for your participation!

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    10 months ago, # ^ |
    ← Rev. 2   Vote: I like it +9 Vote: I do not like it

    Even though I performed very poorly, the contest was fun :) thank you

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10 months ago, # |
  Vote: I like it +28 Vote: I do not like it

might be better to cut CRT solution (precomputing $$$n^n \mod 5^9$$$ for all $$$n \le 4 \cdot 5^9$$$) in E. xD

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10 months ago, # |
  Vote: I like it 0 Vote: I do not like it

The time limit of E is too loose that many meet-in-the-middle solutions also passed.

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10 months ago, # |
  Vote: I like it 0 Vote: I do not like it

umnik stream was too oppp, checkout here — https://www.youtube.com/watch?v=fSsMFDV3WuM

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