New activity in the EDU section! Pavel Mavrin presents a new lesson of the "ITMO Academy: pilot course". Time to learn about two pointers method more!

You can find it here
https://codeforces.com/edu/course/2/lesson/9

Educational Codeforces Round 103
(rated for Div. 2) starts in ~2 hours.

Please, join by the link https://codeforces.com/contests/1476

Codeforces Round #699 (Div. 2) will take place on the 5th of February at 14:35 UTC.
Please, join by the link https://codeforces.com/contests/1481

Codeforces Round #699 (Div. 2) starts in ~2 hours. Please, join by the link https://codeforces.com/contests/1481

Codeforces Round #700 (Div. 1, Div. 2) will take place on the 7th of February at 14:35 UTC.
Please, join by the link https://codeforces.com/contests/1479,1480

Codeforces Round #700 (Div. 1, Div. 2) starts in ~2 hours. Please, join by the link https://codeforces.com/contests/1479,1480

Codeforces Round #701 (Div. 2) will take place on the 12th of February at 14:35 UTC.
Please, join by the link https://codeforces.com/contests/1485

Codeforces Round #701 (Div. 2) starts in ~2 hours. Please, join by the link https://codeforces.com/contests/1485

Educational Codeforces Round 104
(rated for Div. 2) starts on the 15th of February at 14:35 UTC.
Please, join by the link https://codeforces.com/contests/1487

Educational Codeforces Round 104
(rated for Div. 2) starts in ~2 hours.
Please, join by the link https://codeforces.com/contests/1487

Codeforces Round #702 (Div. 3) will take place on the 16th of February at 14:35 UTC.
Please, join by the link https://codeforces.com/contests/1490

Codeforces Round #702 (Div. 3) starts in ~2 hours. Please, join by the link https://codeforces.com/contests/1490

Codeforces Round #703 (Div. 2) will take place on the 18th of February at 14:35 UTC.
Please, join by the link https://codeforces.com/contests/1486

Codeforces Round #703 (Div. 2) starts in ~2 hours. Please, join by the link https://codeforces.com/contests/1486

Codeforces Round #704 (Div. 2) will take place on the 23rd of February at 09:05 UTC.
Please, join by the link https://codeforces.com/contests/1492

Codeforces Round #704 (Div. 2) starts in ~2 hours. Please, join by the link https://codeforces.com/contests/1492

🔥Codeforces Global Round 13🔥 starts on the 28th of February at 13:35 UTC.

It is the thirteenth round of Codeforces Global Rounds supported by XTX Markets.

The round is open and rated for everybody!

The prizes 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.

We will be glad to see you among the participants!

Please, join by the link https://codeforces.com/contests/1491

🔥Codeforces Global Round 13 (Rated for Everybody, 50 Prize T-Shirts!)🔥 starts in ~2 hours.

Please, join by the link https://codeforces.com/contests/1491

Educational Codeforces Round 105
(rated for Div. 2) starts on the 2nd of March at 14:35 UTC.
Please, join by the link https://codeforces.com/contests/1494

Educational Codeforces Round 105
(rated for Div. 2) starts in ~2 hours.
Please, join by the link https://codeforces.com/contests/1494