2025 ICPC Asia Taichung Regional Contest (Unrated, Online Mirror, ICPC Rules, Preferably Teams) starts in ~2 hours.  Please, join by this link https://codeforces.com/contests/2172?locale=en

Codeforces Round 1064 (Div. 1, Div. 2) starts in ~2 hours. Please, join by the link https://codeforces.com/contests/2165,2166

Codeforces Round 1065 (Div. 3) will take place on the 18th of November at 14:35 UTC. 
Please, join by the link https://codeforces.com/contests/2171?locale=en

Codeforces Round 1065 (Div. 3) starts in ~2 hours. Please, join by the link https://codeforces.com/contests/2171?locale=en

Due to issues with Cloudflare, we are also experiencing disruptions on our side. Some Codeforces services may be temporarily unavailable. Today's Codeforces Round 1065 (Div. 3) is postponed by two days and will take place on November 20.

Codeforces Round 1065 (Div. 3) will take place on the 20th of November at 14:35 UTC. 
Please, join by the link https://codeforces.com/contests/2171?locale=en

Codeforces Round 1065 (Div. 3) starts in ~2 hours. Please, join by the link https://codeforces.com/contests/2171?locale=en

Codeforces Round 1066 (Div. 1 + Div. 2) will take place on the 23th of November at 09:35 UTC.
Please, join by the link https://codeforces.com/contests/2157?locale=en

Codeforces Round 1066 (Div. 1 + Div. 2) starts in ~2 hours. Please, join by the link https://codeforces.com/contests/2157?locale=en

Educational Codeforces Round 185
(rated for Div. 2) starts on the 28th of November at 14:35 UTC.
Please, join by the link https://codeforces.com/contests/2170

Educational Codeforces Round 185
(rated for Div. 2) starts in ~2 hours. 
Please, join by the link https://codeforces.com/contests/2170

Codeforces Round 1067 (Div. 2) will take place on the 29th of November at 14:35 UTC.
Please, join by the link https://codeforces.com/contests/2158?locale=en

Codeforces Round 1067 (Div. 2)  starts in ~2 hours. Please, join by the link https://codeforces.com/contests/2158?locale=en

Codeforces Round 1068 (Div. 2) will take place on the 5th of December at 14:35 UTC.
Please, join by the link https://codeforces.com/contests/2173?locale=en

Codeforces Round 1068 (Div. 2)  starts in ~2 hours. Please, join by the link https://codeforces.com/contests/2173?locale=en

Codeforces Round 1069 (Div. 1, Div. 2) will take place on the 6th of December at 08:15 UTC.
Please, join by the link https://codeforces.com/contests/2174,2175

Codeforces Round 1069 (Div. 1, Div. 2) starts in ~2 hours. Please, join by the link https://codeforces.com/contests/2174,2175

Codeforces Round 1070 (Div. 2) will take place on the 11th of December at 14:35 UTC.
Please, join by the link https://codeforces.com/contests/2176?locale=en

Codeforces Round 1070 (Div. 2)  starts in ~2 hours. Please, join by the link https://codeforces.com/contests/2176?locale=en

Great opportunity to prepare for the ICPC competitions!

2025-2026 ICPC, NERC, Northern Eurasia Finals (Unrated, Online Mirror, ICPC Rules, Teams Preferred) will take place on the 17th of December at 08:05 UTC.

Please, join by the link https://codeforces.com/contests/2181

2025-2026 ICPC, NERC, Northern Eurasia Finals (Unrated, Online Mirror, ICPC Rules, Teams Preferred) starts in ~2 hours. Please, join by this link https://codeforces.com/contests/2181