Prob­lem solutions

Here are the answers to the tasks of the qual­i­fy­ing round of the Olympi­ad. We remind you that accord­ing to the reg­u­la­tions, the res­ults will be pub­lished before Decem­ber 31, 2023. Fol­low the updates on the website.

• Rus­si­an
• Eng­lish