harsh__h's blog

By harsh__h, 4 weeks ago, In English

Hello, Codeforces!

I invite you to participate in Codeforces Round 931 (Div. 2), which will be held on Mar/01/2024 17:35 (Moscow time).

The round will be rated for participants with rating lower than 2100. Participants with higher rating can participate in round unofficially.

You will have 2 hours to solve 5 problems, with one of the problems having 2 versions. One or more interactive problems may occur in the round, so please read guide for interactive problems before the contest.

All problems are authored by me.

I would like to thank:

Good luck to all participants!

UPD: Score distribution: 500 — 1000 — 1500 — (1500 — 1250) — 3250

UPD2: Editorial

UPD3: Congratulations to the winners!

Div1 + Div2

Place Participant
1 Um_nik
2 BurnedChicken
3 arvindf232
4 turmax
5 hitonanode

Div2

Place Participant
1 mlmlml
2 2018LZY
3 q1w2e3r4_1
4 shade34
5 damjandavkov

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By harsh__h, 4 weeks ago, In English

1934A — Too Min Too Max

Solution
Code (C++)
Code (Python)

1934B — Yet Another Coin Problem

Solution 1
Solution 2

1934C — Find a Mine

Hint 1
Solution 1
Solution 2

1934D1 — XOR Break — Solo Version

Hint
Solution
Code

1934D2 — XOR Break — Game Version

Hint 1
Hint 2
Solution
Code

1934E — Weird LCM Operations

Solution
Code

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