Shortlisted
Problems
(with solutions)
Confidential until
1:30pm on 12 July 2022
(Norwegian time)
62nd International Mathematical Olympiad
Saint-Petersburg — Russia, 16th–24th July 2021
,
,Note of Confidentiality
The Shortlist has to be kept strictly confidential
until the conclusion of the following
International Mathematical Olympiad.
IMO General Regulations §6.6
Contributing Countries
The Organising Committee and the Problem Selection Committee of IMO 2021 thank the
following 51 countries for contributing 175 problem proposals:
Albania, Algeria, Armenia, Australia, Austria, Azerbaijan, Belgium,
Bangladesh, Canada, China, Colombia, Croatia, Czech Republic, Denmark,
Estonia, France, Germany, Greece, Hong Kong, Iceland, India, Iran,
Ireland, Israel, Japan, Kazakhstan, Kosovo, Luxembourg, Malaysia,
Mexico, Morocco, Myanmar, Netherlands, New Zealand, North Macedonia,
Poland, Romania, Singapore, Slovakia, Slovenia, South Africa, South Korea,
Spain, Switzerland, Taiwan, Thailand, U.S.A., Ukraine, United Kingdom,
Uzbekistan, Vietnam
Problem Selection Committee
Géza Kós, Gerhard Woeginger, Alexey Ustinov, Dmitry Krachun, Ivan Mitrofanov,
Sergey Berlov, Fedor Petrov, Ivan Frolov, Paul Vaderlind, Alexander Golovanov,
Ilya I. Bogdanov (chair)
,
Problems
(with solutions)
Confidential until
1:30pm on 12 July 2022
(Norwegian time)
62nd International Mathematical Olympiad
Saint-Petersburg — Russia, 16th–24th July 2021
,
,Note of Confidentiality
The Shortlist has to be kept strictly confidential
until the conclusion of the following
International Mathematical Olympiad.
IMO General Regulations §6.6
Contributing Countries
The Organising Committee and the Problem Selection Committee of IMO 2021 thank the
following 51 countries for contributing 175 problem proposals:
Albania, Algeria, Armenia, Australia, Austria, Azerbaijan, Belgium,
Bangladesh, Canada, China, Colombia, Croatia, Czech Republic, Denmark,
Estonia, France, Germany, Greece, Hong Kong, Iceland, India, Iran,
Ireland, Israel, Japan, Kazakhstan, Kosovo, Luxembourg, Malaysia,
Mexico, Morocco, Myanmar, Netherlands, New Zealand, North Macedonia,
Poland, Romania, Singapore, Slovakia, Slovenia, South Africa, South Korea,
Spain, Switzerland, Taiwan, Thailand, U.S.A., Ukraine, United Kingdom,
Uzbekistan, Vietnam
Problem Selection Committee
Géza Kós, Gerhard Woeginger, Alexey Ustinov, Dmitry Krachun, Ivan Mitrofanov,
Sergey Berlov, Fedor Petrov, Ivan Frolov, Paul Vaderlind, Alexander Golovanov,
Ilya I. Bogdanov (chair)
,
