Codeforces Round 572 (Div. 1+ Div. 2) starts in ~4 hours. Please, join by the link
https://codeforces.com/contests/1188,1189

H for Hacking! Meet uphacking feature: https://codeforces.com/blog/entry/68204

Helvetic Coding Contest 2019, online mirror (teams allowed, unrated) starts in ~4 hours. Please, join by the link https://codeforces.com/contests/1184

Codeforces Round 573 (Div. 1+ Div. 2) starts in ~4 hours. Please, join by the link https://codeforces.com/contests/1190,1191

Educational Codeforces Round 68 (rated for Div.2) starts in ~4 hours. Please, join by the link https://codeforces.com/contests/1194

Codeforces Round 574 (Div. 2) starts in ~4 hours. Please, join by the link
https://codeforces.com/contests/1195

🔥Codeforces Global Round 4🔥 starts in ~ 4 hours.

It is the fourth round of a new series 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/1178

Educational Codeforces Round 69 (rated for Div.2) starts in ~4 hours. Please, join by the link https://codeforces.com/contests/1197

Codeforces Round 575 (Div. 3) starts in ~4 hours. Please, join by the link
https://codeforces.com/contests/1196

CEOI 2019 day 1 online mirror (unrated, IOI format) starts in ~4 hours. Please, join by the link https://codeforces.com/contests/1192

CEOI 2019 day 2 online mirror (unrated, IOI format) starts in ~4 hours. Please, join by the link https://codeforces.com/contests/1193

Codeforces Round 576 (Div. 1+ Div. 2) starts in ~4 hours. Please, join by the link https://codeforces.com/contests/1198,1199

Codeforces Round 577 (Div. 2) starts in ~4 hours. Please, join by the link
https://codeforces.com/contests/1201

Educational Codeforces Round 70 (rated for Div.2) starts in ~4 hours. Please, join by the link https://codeforces.com/contests/1202

We encountered unknown technical issues, the website is temporarily unavailable. It is not yet possible to give any predictions when it will be repaired. Sorry about it.

Good news! I expect to start the website in 2-3 hours. Mike.

Codeforces is alive! Due to the website downtime, open hacks for ECR 70 will be extended by 24 hours.

Codeforces Round 578 (Div. 2) starts in ~4 hours. Please, join by the link
https://codeforces.com/contests/1200

Codeforces Round 579 (Div. 3) starts in ~4 hours. Please, join by the link
https://codeforces.com/contests/1203