mazihang2022's blog

By mazihang2022, 20 months ago, In English

We are really sorry that C is tough and E is easier than D. But anyway hope you can enjoy the problems themselves and learn something from them.

1806A - Walking Master

Solution
Code

1806B - Mex Master

Solution
Code

1806C - Sequence Master

Solution
Code

1806D - DSU Master

Solution
Code

1806E - Tree Master

Solution
Code

1806F2 - GCD Master (hard version)

Solution
Code

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By mazihang2022, 20 months ago, In English

Hi Codeforces!

Talaodi, YunQian, xukai and I mazihang2022 are excited to invite everyone to participate in Codeforces Round 858 (Div. 2), which will be held on Mar/18/2023 15:05 (Moscow time). Please note the unusual start time.

This round will be rated for participants with rating lower than 2100. We will be pleased to see the participants with a higher rating to take part in our round unofficially as well!

You will be given 6 problems to solve, one of which contains subtasks. You will have 2 hours and 15 minutes to solve them. Scoring distribution will be announced later.

We would like to thank everyone who helped with this round:

We are looking forward to your participation. Good luck and Have fun!

UPD1: Score distribution: $$$500-1000-1750-2000-2250-(2500+1500)$$$

UPD2: Editorial

UPD3: Congratulations to the winners!

Official winners:

  1. MoFalkmusic
  2. Goldenglowo
  3. 2021_yes
  4. Terry2022
  5. gajar.nouka

Unofficial winners:

  1. BucketPotato
  2. MoFalkmusic
  3. Goldenglowo
  4. tute7627
  5. 2021_yes

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By mazihang2022, history, 3 years ago, In English

Is it possible to hack authors' solutions?

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