RDDCCD's blog

By RDDCCD, history, 12 months ago, In English

Hello, Codeforces!

I'm very glad to invite you to participate in CodeTON Round 4 (Div. 1 + Div. 2, Rated, Prizes!), which will start on Mar/31/2023 17:35 (Moscow time).You will be given 8 problems and 2 hours to solve them. The round will be rated for everyone.

I'd like to give my sincere thanks to:

Hope everyone can enjoy the round!

UPD: The tutorial is here.

And here is the information from our title sponsor:

Hello, Codeforces!

We, the TON Foundation team, are pleased to support CodeTON Round 4.

The Open Network (TON) is a fully decentralized layer-1 blockchain designed to onboard billions of users to Web3.

Since July 2022, we have been supporting Codeforces as a title sponsor. This round is another way for us to contribute to the development of the community.

The winners of CodeTON Round 4 will receive valuable prizes.

The first 1,023 participants will receive prizes in TON cryptocurrency:

  • 1st place: 1,024 TON
  • 2–3 places: 512 TON each
  • 4–7 places: 256 TON each
  • 8–15 places: 128 TON each
  • 512–1,023 places: 2 TON each

We wish you good luck at CodeTON Round 4 and hope you enjoy the contest!

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By RDDCCD, history, 12 months ago, In English

A. Beautiful Sequence

Hint
Tutorial
Solution

B. Candies

Hint
Tutorial
Solution

C.Make It Permutation

Hint 1
Hint 2
Tutorial
Solution

D.Climbing the Tree

Hint
Tutorial
Solution

E.Monsters

Hint 1
Hint 2
Tutorial
Solution

F.M-tree

Hint 1
Hint 2
Tutorial
Solution

G. The Maximum Prefix

Hint
Tutorial
Solution

H.Last Number

Hint
Tutorial
Solution 1(floor sum)
Solution 2(fibonacci)

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By RDDCCD, 4 years ago, In English

This weekend, on Nov/24/2019 11:05 (Moscow time) we will hold Codeforces Round 602. It is based on problems of Technocup 2020 Elimination Round 3 that will be held at the same time.

Technocup is a major olympiad for Russian-speaking high-school students, so if you fit into this category, please register at Technocup 2020 website and take part in Technocup 2020 - Elimination Round 3.

Problem authors are me, nocriz, BledDest, adedalic and MikeMirzayanov. Many thanks to the testers: KAN, Supermagzzz, Stepavly, AdvancerMan and unreal.eugene!

Div. 1 and Div.2 editions are open and rated for everyone. As usual, the statements will be provided in English and in Russian. Register and enjoy the contests!

Have fun!

Scoring distribution:

Technocup: 500 1000 1250 (500+1500) 2500 (1000+2000) 3250

D1: 500 (500+750) 1500 (1000+1000) 2250 2500

D2: 500 1000 1250 (500+1500) 2500 (1000+2000)

UPD: Div1 Top5

1.sunset

2.tourist

3.WZYYN

4.jqdai0815

5.djq_cpp

And congratulations for djq_cpp to be the youngest Legendary GrandMaster in the age of 14!

Div2 Top5

1.funtik

2.PureWhite

3.nehnait

4.Fuyuki

5.rama_pang

And also the Editorial is out.

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