To enter the testing system, use login and password given to you at the olympiad venue. If you are participating remotely, login and password was sent to you by email.
Please note, that the source code of solutions in the testing system will not be available for viewing and downloading.
Final stage rules are available on this page. If you are participating remotely, do not forget to read remote participation rules.
Language documentation
Information about olympiad
This year Open Olympiad in Informatics will be held in March 2026. International participants can take part in olympiad online or offline in Moscow, Russia. All offline participants in Moscow will be provided with free accommodation and meals by our sponsor 1C Company.
The qualification stage of olympiad will be from December 2, 2025 to January 14, 2026. More information about qualification stage is provided in qualification rules.
Contact
Olympiad is organised by
