BOI-2025 Mirror Contest

The public mirror contest will be held:

• Dates: Saturday, April 26 and Sunday, April 27.
• Time: 10:00 — 15:00 (Central European Summer Time, UTC+2).
• Contest link: mirror.boi25.pl (available starting Friday, April 25th).
• Registration for the mirror contest will be available starting Friday, April 25 at 10:00 (CEST, UTC+2).
• A practice session will be held on Friday, April 25, from 16:30 to 23:59 (CEST, UTC+2).

Technical details:

• Format: IOI-style problems and scoring system.
• Available languages: C++ and Python.
• For rules and technical details, see Competition Rules.
• The problem statements will be provided in English and national languages of the participating countries.