0doO's blog

By 0doO, history, 7 months ago, In English

Thank you for taking part in our contest, we know leaves a lot to be desired. But we believe that you can find interesting among our problems.

A. Nene's Game

Idea: Otomachi_Una

Tutorial
Solution

B. Nene and the Card Game

Idea: Otomachi_Una

Hint
Tutorial
Solution

C. Nene's Magical Matrix

Idea: Otomachi_Una

Hint
Tutorial
Proof
Solution

D. Nene and the Mex Operator

Idea: Otomachi_Una

Hint
Tutorial
Solution

E. Nene vs. Monsters

idea: Otomachi_Una

Hint1
Hint2
Hint3
Tutorial
Solution

F. Nene and the Passing Game

idea: Otomachi_Una

Hint
Tutorial
Solution

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By 0doO, history, 7 months ago, In English

Ciallo, codeforces~(∠・ω< )⌒☆

We are pleased to invite you to participate in Codeforces Round 939 (Div. 2), which will start on Apr/13/2024 17:35 (Moscow time).

The problems are from Otomachi_Una and me.

This round will be rated for participants whose rating is below 2100. Participants with higher ratings may participate out of the competition.

You will be given 6 problems and 2 hours to solve them. We hope you find them interesting.

We would like to thank:

Score distribution: $$$500-750-1500-1750-(1500+750)-2500$$$

Good luck on the round and high rankings to everyone!

UPD: Editorial out.

UPD: the winners

Div. 1 Div. 2
BurnedChicken zjy114514
StarSilk King_of_Beggars
maspy _MyGO_Tomori_
415411 LegendaryGrandmasterLjm
Rubikun naniak

Photo of authors (unfortunately, I can't come, so my profile is shown in the picture): photo

UPD: The rating changes for Educational Codeforces Round 164 will be applied after this round.

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