Codeforces Round #669 (Div. 2) starts in ~2 hours. Please, join by the link https://codeforces.com/contests/1407

A new lesson in the EDU section is presented by Vitaly Aksenov - the researcher at ITMO University, the member of the Jury Committee of several olympiads such as NERC, Bioinformatics Contest, Russian Code Cup and etc, Ph.D. The theme of the lesson is Disjoint Sets Union (DSU).

Please, join the "ITMO Academy: pilot course" by the link https://codeforces.com/edu/courses

Codeforces Round #670 (Div. 2) will take place on the 12th of September at 13:35 UTC.
Please, join by the link https://codeforces.com/contests/1406

Codeforces Round #670 (Div. 2) starts in ~2 hours. Please, join by the link https://codeforces.com/contests/1406

Educational Codeforces Round 95 (rated for Div. 2) starts on the 14th of September at 14:35 UTC.
Please, join by the link https://codeforces.com/contests/1418

Educational Codeforces Round 95 (rated for Div. 2) starts in ~2 hours.
Please, join by the link https://codeforces.com/contests/1418

Codeforces Round #671 (Div. 2) will take place on the 19th of September at 14:35 UTC.
Please, join by the link https://codeforces.com/contests/1419

Codeforces Round #671 (Div. 2) starts in ~2 hours. Please, join by the link https://codeforces.com/contests/1419

Codeforces Round #672 (Div. 2) will take place on the 24th of September at 14:35 UTC.
Please, join by the link https://codeforces.com/contests/1420

Codeforces Round #672 (Div. 2) starts in ~2 hours. Please, join by the link https://codeforces.com/contests/1420

2020 ICPC, COMPFEST 12, Indonesia Multi-Provincial Contest (Unrated, Online Mirror, ICPC Rules, Teams Preferred) will take place on the 27th of September at 05:00 UTC.
Please, join by the link https://codeforces.com/contests/1425

Codeforces Round #673 (Div. 1, Div. 2) starts on the 27th of September at 15:05 UTC.
Please, join by the link https://codeforces.com/contests/1416,1417

2020 ICPC, COMPFEST 12, Indonesia Multi-Provincial Contest (Unrated, Online Mirror, ICPC Rules, Teams Preferred) starts in ~2 hours. Please, join by the link https://codeforces.com/contests/1425

Codeforces Round #674 (Div. 3) will take place on the 28th of September at 08:05 UTC.
Please, join by the link https://codeforces.com/contests/1426

Codeforces Round #673 (Div. 1, Div. 2) starts in ~2 hours. Please, join by the link https://codeforces.com/contests/1416,1417

Codeforces Round #674 (Div. 3) starts in ~2 hours. Please, join by the link https://codeforces.com/contests/1426

💥Grakn Forces 2020💥 starts on 30th of September at 14:35 UTC.

It will be combined rated round for both divisions.

💶 Top three winners will get prizes of 500 euros, 250 euros and 100 euros respectively;

👕 Top 50 will win a Grakn Labs swag pack (stickers and Grakn Labs t-shirt);

👕 50 Grakn Labs swag packs (stickers and Grakn Labs t-shirt) will be randomly distributed among those with ranks between 51 and 250, inclusive.

We will be glad to see you among the participants!

Please, join by the link https://codeforces.com/contests/1408

🔥Grakn Forces 2020🔥(rated, 100 t-shirts + cash prizes) starts in ~2 hours.

Please, join by the link
https://codeforces.com/contests/1408

Codeforces Round #675 (Div. 2) will take place on the 4th of October at 16:05 UTC.
Please, join by the link https://codeforces.com/contests/1422

Bubble Cup 13 - Finals (Online Mirror, Unrated, ICPC Rules, Div. 1, Div. 2) will take place on the 5th of October at 13:05 UTC.
Please, join by the link https://codeforces.com/contests/1423,1424