Hello, Codeforces! (づ。◕‿‿◕。)づ ❤↵
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On [contest_time:1637] we will host [contest:1637].↵
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It is the first round of a 2022 series of [Codeforces Global Rounds](https://codeforces.net/blog/entry/65002) supported by XTX Markets. The rounds are open and rated for everybody.↵
↵
The presents for this round:↵
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- 30 best participants get a t-shirt.↵
- 20 t-shirts are randomly distributed among those with ranks between 31 and 500, inclusive.↵
↵
The presents for the 6-round series in 2022:↵
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- In each round top-100 participants get points according to the [table](https://pastebin.com/QT5sXEaT).↵
- The final result for each participant is equal to the sum of points he gets in the four rounds he placed the highest.↵
- The best 20 participants over all series get sweatshirts and place certificates.↵
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The problems were written and prepared by [user:Mangooste,2022-02-09], [user:TeaTime,2022-02-09], [user:__JustMe__,2022-02-09] and [user:EvgeniyPonasenkov,2022-02-09].↵
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We are very thankful to people, who made this round possible:↵
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- [user:DmitryGrigorev,2022-02-09] for the great coordinating and helping us with preparing probles.↵
- Our testers: [user:gamegame,2022-02-09], [user:dorijanlendvaj,2022-02-09], [user:fedoseev.timofey,2022-02-09], [user:tfg,2022-02-09], [user:fastmath,2022-02-09], [user:Allvik06,2022-02-09], [user:Pechalka,2022-02-09], [user:Alexdat2000,2022-02-09], [user:pakhomovee,2022-02-09], [user:Frankenween,2022-02-09], [user:philmol,2022-02-09], [user:Ultrasanic,2022-02-09], [user:tox1c_kid,2022-02-09], [user:Viktoriuss,2022-02-09] and [user:Urvuk3,2022-02-09] for their feedback, especially [user:tfg,2022-02-09] for finding mistakes in the statements.↵
- [user:MikeMirzayanov,2022-02-09] for codeforces and polygon platform!↵
- [user:KAN,2022-02-09] for his [contribution](https://codeforces.net/blog/entry/98770?#comment-875401) to this round as well.↵
↵
You will have 2.5 hours to solve 8 problems. And we recommend you to read all the problems!↵
↵
The score distribution will be announced closer to the start of the round.
↵
On [contest_time:1637] we will host [contest:1637].↵
↵
It is the first round of a 2022 series of [Codeforces Global Rounds](https://codeforces.net/blog/entry/65002) supported by XTX Markets. The rounds are open and rated for everybody.↵
↵
The presents for this round:↵
↵
- 30 best participants get a t-shirt.↵
- 20 t-shirts are randomly distributed among those with ranks between 31 and 500, inclusive.↵
↵
The presents for the 6-round series in 2022:↵
↵
- In each round top-100 participants get points according to the [table](https://pastebin.com/QT5sXEaT).↵
- The final result for each participant is equal to the sum of points he gets in the four rounds he placed the highest.↵
- The best 20 participants over all series get sweatshirts and place certificates.↵
↵
The problems were written and prepared by [user:Mangooste,2022-02-09], [user:TeaTime,2022-02-09], [user:__JustMe__,2022-02-09] and [user:EvgeniyPonasenkov,2022-02-09].↵
↵
We are very thankful to people, who made this round possible:↵
↵
- [user:DmitryGrigorev,2022-02-09] for the great coordinating and helping us with preparing probles.↵
- Our testers: [user:gamegame,2022-02-09], [user:dorijanlendvaj,2022-02-09], [user:fedoseev.timofey,2022-02-09], [user:tfg,2022-02-09], [user:fastmath,2022-02-09], [user:Allvik06,2022-02-09], [user:Pechalka,2022-02-09], [user:Alexdat2000,2022-02-09], [user:pakhomovee,2022-02-09], [user:Frankenween,2022-02-09], [user:philmol,2022-02-09], [user:Ultrasanic,2022-02-09], [user:tox1c_kid,2022-02-09], [user:Viktoriuss,2022-02-09] and [user:Urvuk3,2022-02-09] for their feedback, especially [user:tfg,2022-02-09] for finding mistakes in the statements.↵
- [user:MikeMirzayanov,2022-02-09] for codeforces and polygon platform!↵
- [user:KAN,2022-02-09] for his [contribution](https://codeforces.net/blog/entry/98770?#comment-875401) to this round as well.↵
↵
You will have 2.5 hours to solve 8 problems. And we recommend you to read all the problems!↵
↵
The score distribution will be announced closer to the start of the round.