🔥ICPC Challenge 2020🔥 (unrated, prizes) starts in ~2 hours.
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Codeforces Round #653 (Div. 3) starts on 28th of June at 14:35 UTC.
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Codeforces Round #653 (Div. 3) starts in ~2 hours. Please, join by the link https://codeforces.com/contests/1374

Please, try EDU on Codeforces! New educational section with videos, subtitles, texts and problems. https://codeforces.com/blog/entry/79530

Codeforces Round #654 (Div. 2) starts on 1st of July at 13:35 UTC.
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Codeforces Round #654 (Div. 2) starts in ~2 hours. Please, join by the link https://codeforces.com/contests/1371

🔥Codeforces Global Round 9🔥 starts on 4th of July at 14:35 UTC.

It is the ninth 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/1375

🔥Codeforces Global Round 9 (Rated for Everybody, 50 Prize T-Shirts!)🔥 starts in ~2 hours.

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Codeforces Round #655 (Div. 2) starts on 11th of July at 15:05 UTC.
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Codeforces Round #655 (Div. 2) starts in ~2 hours. Please, join by the link https://codeforces.com/contests/1372

Educational Codeforces Round 91 (rated for Div.2) starts on 12th of July at 14:35 UTC.
Please, join by the link https://codeforces.com/contests/1380

Educational Codeforces Round 91 (rated for Div.2) starts in ~2 hours.
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For unexpected reasons Codeforces is down. Sorry about it.

New activity in the EDU section!
Pavel Mavrin explains in detail how to build a simple segment tree (without mass modifications), and how to perform basic operations on it. Time to learn!

New lesson awaits you at this link https://codeforces.com/edu/course/2/lesson/4

Codeforces Round #656 (Div. 3) starts in ~2 hours. Please, join by the link https://codeforces.com/contests/1385?locale=en

Sorry about the previous message. Of course Codeforces Round #656 (Div. 3) will take place on the 17th of July at 14:35 UTC.
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Codeforces Round #656 (Div. 3) starts in ~1 hour. Please, join by the link https://codeforces.com/contests/1385?locale=en

Codeforces Round #657 (Div. 2) starts on 19th of July at 09:00 UTC.
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Codeforces Round #657 (Div. 2) starts in ~2 hours. Please, join by the link https://codeforces.com/contests/1379

Codeforces Round #658 (Div. 1, Div. 2) starts on 21st of July at 14:35 UTC.
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