Codeforces
On the special day of 1024, I am very glad to invite you to participate in Codeforces Round 1061 (Div. 2), starting at Oct/24/2025 17:35 (Moscow time) There will be six problems for you to solve in two hours, one of which will have two parts. At least one problem will be interactive, so please make sure to read the guide for interactive problem before the contest. This round will be rated for all
Google AI Challenge
Welcome to the Google AI Challenge! This year's Google AI Challenge is all about Tron. Tron is like two-player Snake, where your objective is to box in your opponent and make him crash into a wall or his own tail before you do! See the problem description for more information. Check out the five minute quickstart guide to get started as quickly as possible! The contest opens on February 4, and clo
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