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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2015

Problem	Source	Tags
Middle European Mathematical Olympiad 2015 Problem I-3	Middle European Mathematical Olympiad 2015	Circle Circumcircle Concyclic Cyclic quad Geometry
Middle European Mathematical Olympiad 2015 Problem I-4	Middle European Mathematical Olympiad 2015	Diophantine NT Powers Coprime
Middle European Mathematical Olympiad 2015 Problem T-1	Middle European Mathematical Olympiad 2015	Algebra Inequalities Optimization
Middle European Mathematical Olympiad 2015 Problem T-2	Middle European Mathematical Olympiad 2015	Functional Functions
Middle European Mathematical Olympiad 2015 Problem T-3	Middle European Mathematical Olympiad 2015	Combinatorics Optimization Permutations
Middle European Mathematical Olympiad 2015 Problem T-4	Middle European Mathematical Olympiad 2015	Board Combinatorics Counting Optimization
Middle European Mathematical Olympiad 2015 Problem T-5	Middle European Mathematical Olympiad 2015	Angles Circle Concyclic Geometry Triangle
Middle European Mathematical Olympiad 2015 Problem T-6	Middle European Mathematical Olympiad 2015	Angles Circumcircle Geometry Incircle Triangle
Middle European Mathematical Olympiad 2015 Problem T-7	Middle European Mathematical Olympiad 2015	Diophantine Factorial NT Powers
Middle European Mathematical Olympiad 2015 Problem T-8	Middle European Mathematical Olympiad 2015	Counting Divisibility NT

2013

Problem	Source	Tags
Middle European Mathematical Olympiad 2013 Problem I-1	Middle European Mathematical Olympiad 2013	Algebra Inequalities Optimization
Middle European Mathematical Olympiad 2013 Problem I-2	Middle European Mathematical Olympiad 2013	Board Combinatorics Optimization
Middle European Mathematical Olympiad 2013 Problem I-3	Middle European Mathematical Olympiad 2013	Angles Geometry Isosceles Perpendicularity Triangle
Middle European Mathematical Olympiad 2013 Problem I-4	Middle European Mathematical Olympiad 2013	Combinations Diophantine NT
Middle European Mathematical Olympiad 2013 Problem T-1	Middle European Mathematical Olympiad 2013	Algebra Functional
Middle European Mathematical Olympiad 2013 Problem T-2	Middle European Mathematical Olympiad 2013	Algebra Inequalities
Middle European Mathematical Olympiad 2013 Problem T-3	Middle European Mathematical Olympiad 2013	Combinatorics Counting Permutations
Middle European Mathematical Olympiad 2013 Problem T-4	Middle European Mathematical Olympiad 2013	Coloring Geometry Optimization
Middle European Mathematical Olympiad 2013 Problem T-5	Middle European Mathematical Olympiad 2013	Construction Geometry Triangle
Middle European Mathematical Olympiad 2013 Problem T-6	Middle European Mathematical Olympiad 2013	Circle Circumcircle Geometry Triangle
Middle European Mathematical Olympiad 2013 Problem T-7	Middle European Mathematical Olympiad 2013	Combinatorics Counting Tables
Middle European Mathematical Olympiad 2013 Problem T-8	Middle European Mathematical Olympiad 2013	Games Mod NT

2011

Problem	Source	Tags
Middle European Mathematical Olympiad 2011 Problem I-1	Middle European Mathematical Olympiad 2011	Algebra Inequalities Optimization
Middle European Mathematical Olympiad 2011 Problem I-2	Middle European Mathematical Olympiad 2011	Combinatorics Games Optimization Polygon
Middle European Mathematical Olympiad 2011 Problem I-3	Middle European Mathematical Olympiad 2011	Circle Circumcircle Geometry Perpendicularity Tangent
Middle European Mathematical Olympiad 2011 Problem I-4	Middle European Mathematical Olympiad 2011	Divisibility Inequalities NT
Middle European Mathematical Olympiad 2011 Problem T-1	Middle European Mathematical Olympiad 2011	Algebra Functional
Middle European Mathematical Olympiad 2011 Problem T-2	Middle European Mathematical Olympiad 2011	Algebra Inequalities Radicals
Middle European Mathematical Olympiad 2011 Problem T-3	Middle European Mathematical Olympiad 2011	Combinatorics Coord Geometry Optimization
Middle European Mathematical Olympiad 2011 Problem T-4	Middle European Mathematical Olympiad 2011	Combinatorics Graphs
Middle European Mathematical Olympiad 2011 Problem T-5	Middle European Mathematical Olympiad 2011	Angles Geometry Polygon
Middle European Mathematical Olympiad 2011 Problem T-6	Middle European Mathematical Olympiad 2011	Circumcircle Geometry Perpendicularity Tangent Triangle
Middle European Mathematical Olympiad 2011 Problem T-7	Middle European Mathematical Olympiad 2011	Divisibility Mod NT
Middle European Mathematical Olympiad 2011 Problem T-8	Middle European Mathematical Olympiad 2011	Construction GCD NT

2010

Problem	Source	Tags
Middle European Mathematical Olympiad 2010 Problem I-1	Middle European Mathematical Olympiad 2010	Algebra Functional Functions
Middle European Mathematical Olympiad 2010 Problem I-2	Middle European Mathematical Olympiad 2010	Combinatorics Divisibility Games NT
Middle European Mathematical Olympiad 2010 Problem I-3	Middle European Mathematical Olympiad 2010	Circumcircle Collinear Cyclic quad Geometry
Middle European Mathematical Olympiad 2010 Problem I-4	Middle European Mathematical Olympiad 2010	Divisibility NT
Middle European Mathematical Olympiad 2010 Problem T-1	Middle European Mathematical Olympiad 2010	Construction NT Seq
Middle European Mathematical Olympiad 2010 Problem T-2	Middle European Mathematical Olympiad 2010	Algebra Inequalities Optimization
Middle European Mathematical Olympiad 2010 Problem T-3	Middle European Mathematical Olympiad 2010	Combinatorics NT Polygon Coprime
Middle European Mathematical Olympiad 2010 Problem T-4	Middle European Mathematical Olympiad 2010	Coloring Combinatorics Geometry Optimization
Middle European Mathematical Olympiad 2010 Problem T-5	Middle European Mathematical Olympiad 2010	Geometry Incircle Parallelogram Triangle
Middle European Mathematical Olympiad 2010 Problem T-6	Middle European Mathematical Olympiad 2010	Angles Cyclic quad Geometry Parallelogram
Middle European Mathematical Olympiad 2010 Problem T-7	Middle European Mathematical Olympiad 2010	Digits NT Powers
Middle European Mathematical Olympiad 2010 Problem T-8	Middle European Mathematical Olympiad 2010	Construction Digits NT

2009

Problem	Source	Tags
Middle European Mathematical Olympiad 2009 Problem I-1	Middle European Mathematical Olympiad 2009	Algebra Functional
Middle European Mathematical Olympiad 2009 Problem I-2	Middle European Mathematical Olympiad 2009	Coloring Combinatorics Geometry Optimization Polygon
Middle European Mathematical Olympiad 2009 Problem I-3	Middle European Mathematical Olympiad 2009	Angles Geometry Quad
Middle European Mathematical Olympiad 2009 Problem I-4	Middle European Mathematical Olympiad 2009	Divisibility NT Powers