March 20, 2025 at 10:00 AM

UOI 2025, Day 1

Virtual

Mirror contest

This is a mirror contest for the final stage of the Ukrainian National Olympiad in Informatics (UOI).

This contest is unofficial and is meant for practice.

Rated contest

This contest is rated for all participants.

Other rounds

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March 20

10:00 AM

Hardest

5

Hours

4

Problems