International Competitions

#	Competition	Years	Problems	Years
1	International Mathematical Olympiad	1959–2025	398
2	Middle European Mathematical Olympiad	2009–2025	160

Overview

Year	P1	P2	P3	P4	P5	P6	P7	I-1	I-2	I-3	I-4	T-1	T-2	T-3	T-4	T-5	T-6	T-7	T-8	Solved
2025																				0/18
2024																				0/18
2023																				0/18
2022																				0/18
2021																				0/18
2020																				0/10
2019																				0/18
2018																				0/18
2017																				0/6
2016																				0/18
2015																				0/18
2014																				0/6
2013																				0/18
2012																				0/6
2011																				0/18
2010																				0/18
2009																				0/18
2008																				0/6
2007																				0/6
2006																				0/6
2005																				0/6
2004																				0/6
2003																				0/6
2002																				0/6
2001																				0/6
2000																				0/6
1999																				0/6
1998																				0/6
1997																				0/6
1996																				0/6
1995																				0/6
1994																				0/6
1993																				0/6
1992																				0/6
1991																				0/6
1990																				0/6
1989																				0/6
1988																				0/6
1987																				0/6
1986																				0/6
1985																				0/6
1984																				0/6
1983																				0/6
1982																				0/6
1981																				0/6
1979																				0/6
1978																				0/6
1977																				0/6
1976																				0/6
1975																				0/6
1974																				0/6
1973																				0/6
1972																				0/6
1971																				0/6
1970																				0/6
1969																				0/6
1968																				0/6
1967																				0/6
1966																				0/6
1965																				0/6
1964																				0/6
1963																				0/6
1962																				0/7
1961																				0/6
1960																				0/7
1959																				0/6

Problems

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2021

Problem	Source	Tags
Middle European Mathematical Olympiad 2021 Problem T-1	Middle European Mathematical Olympiad 2021	Algebra Functional Inequalities
Middle European Mathematical Olympiad 2021 Problem T-2	Middle European Mathematical Olympiad 2021	Algebra Construction Polynomials
Middle European Mathematical Olympiad 2021 Problem T-3	Middle European Mathematical Olympiad 2021	Combinatorics Construction Optimization
Middle European Mathematical Olympiad 2021 Problem T-4	Middle European Mathematical Olympiad 2021	Combinatorics Construction Polygon
Middle European Mathematical Olympiad 2021 Problem T-5	Middle European Mathematical Olympiad 2021	Circumcircle Geometry Perpendicularity Triangle
Middle European Mathematical Olympiad 2021 Problem T-6	Middle European Mathematical Olympiad 2021	Angles Circumcircle Geometry Triangle
Middle European Mathematical Olympiad 2021 Problem T-7	Middle European Mathematical Olympiad 2021	Eq NT Primes Sums
Middle European Mathematical Olympiad 2021 Problem T-8	Middle European Mathematical Olympiad 2021	Digits NT Powers

2020

Problem	Source	Tags
Middle European Mathematical Olympiad 2020 Problem I-1	Middle European Mathematical Olympiad 2020	Algebra Functional Functions
Middle European Mathematical Olympiad 2020 Problem I-2	Middle European Mathematical Olympiad 2020	Construction Digits NT
Middle European Mathematical Olympiad 2020 Problem I-3	Middle European Mathematical Olympiad 2020	Circumcircle Geometry Incircle Orthocenter Triangle
Middle European Mathematical Olympiad 2020 Problem I-4	Middle European Mathematical Olympiad 2020	Algebra Diophantine NT

2019

Problem	Source	Tags
Middle European Mathematical Olympiad 2019 Problem I-1	Middle European Mathematical Olympiad 2019	Algebra Functional
Middle European Mathematical Olympiad 2019 Problem I-2	Middle European Mathematical Olympiad 2019	Geometry Optimization Polygon
Middle European Mathematical Olympiad 2019 Problem I-3	Middle European Mathematical Olympiad 2019	Circle Circumcircle Concyclic Geometry Triangle
Middle European Mathematical Olympiad 2019 Problem I-4	Middle European Mathematical Olympiad 2019	Divisibility NT Optimization
Middle European Mathematical Olympiad 2019 Problem T-1	Middle European Mathematical Olympiad 2019	Algebra Inequalities Optimization
Middle European Mathematical Olympiad 2019 Problem T-2	Middle European Mathematical Olympiad 2019	Algebra Functional Inequalities Polynomials
Middle European Mathematical Olympiad 2019 Problem T-3	Middle European Mathematical Olympiad 2019	Combinatorics Counting
Middle European Mathematical Olympiad 2019 Problem T-4	Middle European Mathematical Olympiad 2019	Algebra Construction
Middle European Mathematical Olympiad 2019 Problem T-5	Middle European Mathematical Olympiad 2019	Angles Circumcircle Geometry Perpendicularity Triangle
Middle European Mathematical Olympiad 2019 Problem T-6	Middle European Mathematical Olympiad 2019	Circumcircle Collinear Geometry Right triangle Triangle
Middle European Mathematical Olympiad 2019 Problem T-7	Middle European Mathematical Olympiad 2019	Divisibility NT
Middle European Mathematical Olympiad 2019 Problem T-8	Middle European Mathematical Olympiad 2019	NT Seq

2018

Problem	Source	Tags
Middle European Mathematical Olympiad 2018 Problem I-1	Middle European Mathematical Olympiad 2018	Algebra Functional Rational
Middle European Mathematical Olympiad 2018 Problem I-2	Middle European Mathematical Olympiad 2018	Board Combinatorics Tiling
Middle European Mathematical Olympiad 2018 Problem I-3	Middle European Mathematical Olympiad 2018	Centroid Concyclic Geometry Triangle
Middle European Mathematical Olympiad 2018 Problem I-4	Middle European Mathematical Olympiad 2018	Combinations Inequalities NT
Middle European Mathematical Olympiad 2018 Problem T-1	Middle European Mathematical Olympiad 2018	Algebra Inequalities
Middle European Mathematical Olympiad 2018 Problem T-2	Middle European Mathematical Olympiad 2018	Algebra Polynomials Rational
Middle European Mathematical Olympiad 2018 Problem T-3	Middle European Mathematical Olympiad 2018	Combinatorics Games Optimization
Middle European Mathematical Olympiad 2018 Problem T-4	Middle European Mathematical Olympiad 2018	NT Optimization
Middle European Mathematical Olympiad 2018 Problem T-5	Middle European Mathematical Olympiad 2018	Circumcircle Geometry Orthocenter Parallelogram Triangle
Middle European Mathematical Olympiad 2018 Problem T-6	Middle European Mathematical Olympiad 2018	Circumcircle Collinear Geometry Perpendicularity Triangle
Middle European Mathematical Olympiad 2018 Problem T-7	Middle European Mathematical Olympiad 2018	Mod NT Primes Seq
Middle European Mathematical Olympiad 2018 Problem T-8	Middle European Mathematical Olympiad 2018	Construction Diophantine NT

2016

Problem	Source	Tags
Middle European Mathematical Olympiad 2016 Problem I-1	Middle European Mathematical Olympiad 2016	Algebra Inequalities Optimization
Middle European Mathematical Olympiad 2016 Problem I-2	Middle European Mathematical Olympiad 2016	Combinatorics Optimization Triangle
Middle European Mathematical Olympiad 2016 Problem I-3	Middle European Mathematical Olympiad 2016	Angles Circle Geometry Perpendicularity Triangle
Middle European Mathematical Olympiad 2016 Problem I-4	Middle European Mathematical Olympiad 2016	Divisibility Functional NT
Middle European Mathematical Olympiad 2016 Problem T-1	Middle European Mathematical Olympiad 2016	Algebra Systems
Middle European Mathematical Olympiad 2016 Problem T-2	Middle European Mathematical Olympiad 2016	Algebra Functional Functions
Middle European Mathematical Olympiad 2016 Problem T-3	Middle European Mathematical Olympiad 2016	Board Combinatorics Optimization
Middle European Mathematical Olympiad 2016 Problem T-4	Middle European Mathematical Olympiad 2016	Combinatorics Probability
Middle European Mathematical Olympiad 2016 Problem T-5	Middle European Mathematical Olympiad 2016	Circle Circumcircle Geometry Triangle
Middle European Mathematical Olympiad 2016 Problem T-6	Middle European Mathematical Olympiad 2016	Angles Geometry Incircle Perpendicularity Triangle
Middle European Mathematical Olympiad 2016 Problem T-7	Middle European Mathematical Olympiad 2016	Digits NT Parity
Middle European Mathematical Olympiad 2016 Problem T-8	Middle European Mathematical Olympiad 2016	Diophantine Divisibility NT

2015

Problem	Source	Tags
Middle European Mathematical Olympiad 2015 Problem I-1	Middle European Mathematical Olympiad 2015	Functional Functions
Middle European Mathematical Olympiad 2015 Problem I-2	Middle European Mathematical Olympiad 2015	Geometry Optimization Polygon