Codeforces Round #680 (Div. 1, Div. 2, based on Moscow Team Olympiad) will take place on the 1st of November at 11:05 UTC

Please, join by this link https://codeforces.com/contests/1444,1445

Codeforces Round #680 (Div. 1, Div. 2, based on Moscow Team Olympiad) starts in ~2 hours.

Please, join by this link https://codeforces.com/contests/1444,1445

Codeforces Round #681 (Div. 1, Div. 2, based on VK Cup 2019-2020 - Final) will take place on the 2nd of November at 14:35 UTC

Please, join by this link https://codeforces.com/contests/1442,1443

Codeforces Round #681 (Div. 1, Div. 2, based on VK Cup 2019-2020 - Final) starts in ~2 hours.

Please, join by this link https://codeforces.com/contests/1442,1443

💥Kotlin Heroes 5: ICPC Round💥 starts on the 12th of November at 14:35 UTC.

The round is unrated.

- Top three winners will get prizes of $512, $256 and $128 respectively;
- Top 50 will win a Kotlin Heroes t-shirt and an exclusive Kotlin sticker;
- Competitors solving at least one problem will enter into a draw for one of 50 Kotlin Heroes t-shirts;
- Everyone who takes part in this round will get an electronic Participation Certificate;
- Special prize — ICPC-experience.

We will be glad to see you among the participants!

Please, join by the link https://codeforces.com/contests/1431

🔥Kotlin Heroes 5: ICPC Round🔥
(unrated, 100 t-shirts, cash prizes, ICPC special prize) starts in ~2 hours.

Please, join by the link
https://codeforces.com/contests/1431

Codeforces Round #682 (Div. 2) will take place on the 13th of November at 14:35 UTC.
Please, join by the link https://codeforces.com/contests/1438

Codeforces Round #682 (Div. 2) starts in ~2 hours. Please, join by the link https://codeforces.com/contests/1438

Codeforces Round #683 (Div. 1, Div. 2, by Meet IT) will take place on the 15th of November at 14:35 UTC.
Please, join by this link https://codeforces.com/contests/1446,1447

Codeforces Round #683 (Div. 1, Div. 2, by Meet IT) starts in ~2 hours.

Please, join by this link https://codeforces.com/contests/1446,1447

Codeforces Round #684 (Div. 1, Div. 2) will take place on the 17th of November at 14:35 UTC.

Please, join by this link https://codeforces.com/contests/1439,1440

Codeforces Round #684 (Div. 1, Div. 2) starts in ~2 hours.

Please, join by this link https://codeforces.com/contests/1439,1440

Educational Codeforces Round 98 (rated for Div. 2) starts on the 19th of November at 14:35 UTC.
Please, join by the link https://codeforces.com/contests/1452

Meet a new feature in Codeforces! Now you can rewrite (override) statements for problems in mashups. https://codeforces.com/blog/entry/84795

Educational Codeforces Round 98 (rated for Div. 2) starts in ~2 hours.
Please, join by the link https://codeforces.com/contests/1452

Codeforces Round #685 (Div. 2) will take place on the 21st of November at 14:35 UTC.
Please, join by the link https://codeforces.com/contests/1451

Codeforces Round #685 (Div. 2) starts in ~2 hours. Please, join by the link https://codeforces.com/contests/1451

Codeforces Round #686 (Div. 3) will take place on the 24th of November at 14:35 UTC.
Please, join by the link https://codeforces.com/contests/1454

Codeforces Round #686 (Div. 3) starts in ~2 hours. Please, join by the link https://codeforces.com/contests/1454

Codeforces Round #687 (Div. 1, Div. 2, based on Technocup 2021 Elimination Round 2) will take place on the 29th of November at 07:05 UTC.

Please, join by this link https://codeforces.com/contests/1456,1457

Technocup is a major olympiad for Russian-speaking high-school students. So if you fit into this category, please register at https://technocup.mail.ru/ and take part in the official Elimination Round.

Codeforces Round #687 (Div. 1, Div. 2, based on Technocup 2021 Elimination Round 2) starts in ~2 hours.

Please, join by this link https://codeforces.com/contests/1456,1457

Technocup is a major olympiad for Russian-speaking high-school students. So if you fit into this category, please register at https://technocup.mail.ru/ and take part in the official Elimination Round.