arsijo's blog

By arsijo, 4 months ago, In English,
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By arsijo, 4 months ago, translation, In English,

Hi everybody!

Summer... It is a wonderful time for traveling, walking with friends, new discoveries and, of course, writing new exciting contests at Codeforces. Thus, I bring to your attention my new Codeforces Round #495 (Div. 2) with interesting tasks that will take place on Jul/05/2018 19:35 (Moscow time). If your rating is less than 2100, this round will be rated for you; otherwise, you can participate out of competition.

I would like to thank Mike MikeMirzayanov Mirzayanov for his help with problems preparing and for Codeforces and Polygon platforms. Also, Ildar 300iq Gainullin, Dmitry _kun_ Sayutin, Daniil danya.smelskiy Smelskiy, Chin-Chia eddy1021 Hsu, and Kevin ksun48 Sun for the problems testing.

You will be given 6 problems and 2 hours to solve them. Scoring distribution will be announced later.

In this round, you will have to help Sonya with her daily problems. Good luck!

UPD. Scoring 500-1000-1500-2000-2500-3000.

UPD. Congratulations to winners!!!!

Rank Nickname Score
1 EZ_fwtt08 7892
2 milisav 5550
3 VisJiao 5294
4 Jatana 4832
5 wasyl 4762

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By arsijo, 4 months ago, In English,

Hi everyone,

The Ukrainian selections have just started. Nine people have a chance to participate at IOI 2018, but only four contestants with the highest scores will be selected to IOI.

This blog contains main information about the contestants and the selections. Also, you can watch online standings during the competition.

Here is a short table. The full table is available here.

Place Score English name Ukrainian name Codeforces nickname Attempts left
1 1503 Sofiia Melnyk Мельник Софія Валентинівна Sonechko 2
2 1400 Adalbert Makarovych Макарович Адальберт Віталійович Adalbert 0
3 1333 Daniil Smelskiy Смельський Даніїл Сергійович danya.smelskiy 0
4 1210 Nazarii Denha Деньга Назарій Олександрович Nasic_number_one 1
5 1196 Marko Hryshechkin Гришечкін Марко Сергійович Markellonchik 0
6 991 Illia Koval Коваль Ілля Андрійович kilt_01 0
7 741 Artur Kravtsov Кравцов Артур Андрійович 0
8 673 Daniil Ostashev Осташев Данііл Олександрович Stroustrup 1
9 434 Kostiantyn Lutsenko Луценко Костянтин Олександрович KostasKostil 1

UPD. It is time to show you people who helped to prepare and test problems:

UPD. Selections are over. The Ukrainian National team consists of:

  1. Sofiia Sonechko Melnyk
  2. Adalbert Adalbert Makarovych
  3. Daniil danya.smelskiy Smelskiy
  4. Nazarii Nasic_number_one Denha

Congratulations and good luck in Japan!

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By arsijo, 18 months ago, In English,

Ukrainian Seletions for IOI starts today (the 19th of April). There are 19 participants, 8 of us have chance to present our country in IOI in Tehran. I will try to update table after every tour (there will be 6 tours). You can find full table made by MStrechen.

Short table after 6 days:

Place Score Name Codeforces nickname Grade
1 1920 Anton Tsypko arsijo 11
2 1458 Stanislav Tomash Stastomash 11
* 1365 Sofia Melnyk Sonechko 8
* 1297 Ihor Barenblat I_love_Maria_Ivanova 11
3 1160 Illia Koval kilt_01 10
* 1112 Adalbert Makarovych Adalbert 10
* 1058 Daniil Smelskiy danya.smelskiy 10
4 1040 Nazarii Denha Nasic_number_one 9
5 1038 Matvii Strechen MStrechen 11
* 1038 Marko Hryshechkin Markellonchik 10
6 1027 Yuliia Zdanovska Julia_123 11
7 902 Daniil Ostashev 9
* 753 Artur Kravtsov 10
* 702 Serhii Mazajew BagInCode 10
* 690 Maxim Nikitenko Karasick 9
8 370 Denys Slobodianiuk 9
* 352 Kostiantyn Lutsenko 9
* 272 Bohdan Vakhitov bondanvak 10
* 260 Maksym Oboznyi MaximOboznyi 8

UPD. Selections are over.

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By arsijo, 2 years ago, translation, In English,

Hi everybody!

Codeforces Round #371 takes place on 13 September at 19:35 MSK for the both divisions. This is our first round and we hope it won't the last one.

This round is prepared by me (Anton Tsypko) and Sonechko (Sofia Melnyk). We want to say thanks to GlebsHP (Gleb Evstropov) and Sereja (Sergey Nagin) for help with preparation of this round, MikeMirzayanov (Mike Mirzayanov) for Codeforces and Polygon systems, iSlava (Viacheslav Ocheretnyi), otoshol (Mark Mikhno), BigBag (Matvey Aslandukov), winger (Vladislav Isenbaev) and AlexFetisov (Alex Fetisov) for testing problems.

It's recommended for both divisions to read the Interactive Problems Guide before the round. Scoring distribution will be published right before the start of the contest.

Good luck!

Scoring:

Div 2: 500 — 1000 — 1000 — 2000 — 3000

Div 1: 500 — 1000 — 2000 — 2000 — 2000

Upd: Congratulations to the winners:

Div 1:

  1. geniucos
  2. Herzu
  3. Endagorion
  4. Um_nik
  5. Stonefeang

Div 2:

  1. ConstatinStefan
  2. amethyst0
  3. Gromah
  4. serlis
  5. Jason_zjj3

Editorial.

UPD: We are sorry that Div 1 C is very similar to this, but the contest will be rated.

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