Hello, Codeforces!
On ... we will host Codeforces Global Round 19.
It is the first round of a 2022 series of Codeforces Global Rounds. 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 2021:
- In each round top-100 participants get points according to the table.
- 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 Mangooste, TeaTime, __JustMe__ and EvgeniyPonasenkov.
We are very thankful to people, who made this round possible:
- gop2024 for the great coordinating and helping us with preparing probles.
- Our testers:...
- MikeMirzayanov for codeforces and polygon platform!
You will have 2.5 hours to solve 8 problems. And we recommend you to read all the problems!