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International Competitions
-- International Mathematical Olympiad
-- Middle European Mathematical Olympiad
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-- Croatian Competitions
-- -- Croatian Mathematical Olympiad
-- -- Croatian National Competitions
-- -- -- Grade 9
-- -- -- Grade 10
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-- -- -- Grade 12
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119 results
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Problem
Source
Tags
Croatian Mathematical Olympiad 2010 Problem 2-4
Croatian Mathematical Olympiad 2010
NT
Primes
Seq
Croatian Mathematical Olympiad 2011 Problem 1-4
Croatian Mathematical Olympiad 2011
NT
Coprime
Seq
Croatian Mathematical Olympiad 2011 Problem 2-1
Croatian Mathematical Olympiad 2011
NT
Recurrences
Seq
Croatian Mathematical Olympiad 2011 Problem M-1
Croatian Mathematical Olympiad 2011
Algebra
Recurrences
Seq
Croatian Mathematical Olympiad 2012 Problem 2-1
Croatian Mathematical Olympiad 2012
Algebra
Recurrences
Seq
Croatian Mathematical Olympiad 2014 Problem I-1
Croatian Mathematical Olympiad 2014
Algebra
Optimization
Seq
Croatian Mathematical Olympiad 2015 Problem 1-4
Croatian Mathematical Olympiad 2015
NT
Parity
Seq
Croatian Mathematical Olympiad 2016 Problem 1-1
Croatian Mathematical Olympiad 2016
Algebra
Inequalities
Seq
Croatian Mathematical Olympiad 2019 Problem 1-2
Croatian Mathematical Olympiad 2019
Combinatorics
Counting
Seq
Croatian Mathematical Olympiad 2020 Problem I-1
Croatian Mathematical Olympiad 2020
Algebra
Optimization
Seq
Croatian Mathematical Olympiad 2020 Problem M-1
Croatian Mathematical Olympiad 2020
Algebra
Recurrences
Seq
Croatian Mathematical Olympiad 2021 Problem I-4
Croatian Mathematical Olympiad 2021
NT
Primes
Seq
Croatian Mathematical Olympiad 2022 Problem 1-1
Croatian Mathematical Olympiad 2022
Algebra
Optimization
Seq
Croatian Mathematical Olympiad 2022 Problem 2-4
Croatian Mathematical Olympiad 2022
Divisibility
NT
Seq
Croatian Mathematical Olympiad 2023 Problem 1-1
Croatian Mathematical Olympiad 2023
Divisibility
NT
Seq
Croatian Mathematical Olympiad 2023 Problem I-1
Croatian Mathematical Olympiad 2023
Algebra
Inequalities
Seq
Croatian Mathematical Olympiad 2024 Problem 2-1
Croatian Mathematical Olympiad 2024
Algebra
Optimization
Seq
Croatian Mathematical Olympiad 2025 Problem 1-3
Croatian Mathematical Olympiad 2025
Divisibility
NT
Primes
Seq
Croatian Mathematical Olympiad 2025 Problem 2-1
Croatian Mathematical Olympiad 2025
Divisibility
NT
Seq
International Mathematical Olympiad 1967 Problem 5
International Mathematical Olympiad 1967
Algebra
Eq
Polynomials
Seq
International Mathematical Olympiad 1968 Problem 6
International Mathematical Olympiad 1968
Algebra
Seq
Sums
International Mathematical Olympiad 1970 Problem 3
International Mathematical Olympiad 1970
Algebra
Construction
Inequalities
Seq
International Mathematical Olympiad 1975 Problem 2
International Mathematical Olympiad 1975
NT
Seq
International Mathematical Olympiad 1976 Problem 6
International Mathematical Olympiad 1976
Algebra
Powers
Recurrences
Seq
International Mathematical Olympiad 1977 Problem 2
International Mathematical Olympiad 1977
Algebra
Optimization
Seq
International Mathematical Olympiad 1978 Problem 3
International Mathematical Olympiad 1978
Combinatorics
Functions
Seq
International Mathematical Olympiad 1978 Problem 5
International Mathematical Olympiad 1978
Algebra
Inequalities
Seq
Sums
International Mathematical Olympiad 1982 Problem 3
International Mathematical Olympiad 1982
Inequalities
Optimization
Seq
International Mathematical Olympiad 1985 Problem 6
International Mathematical Olympiad 1985
Algebra
Inequalities
Recurrences
Seq
International Mathematical Olympiad 1991 Problem 6
International Mathematical Olympiad 1991
Algebra
Construction
Inequalities
Seq
International Mathematical Olympiad 1993 Problem 6
International Mathematical Olympiad 1993
Combinatorics
Powers
Recurrences
Seq
International Mathematical Olympiad 1995 Problem 4
International Mathematical Olympiad 1995
Algebra
Optimization
Recurrences
Seq
International Mathematical Olympiad 1996 Problem 6
International Mathematical Olympiad 1996
Combinatorics
Seq
International Mathematical Olympiad 2000 Problem 3
International Mathematical Olympiad 2000
Algebra
Optimization
Seq
International Mathematical Olympiad 2003 Problem 5
International Mathematical Olympiad 2003
Algebra
Inequalities
Seq
International Mathematical Olympiad 2005 Problem 2
International Mathematical Olympiad 2005
Mod
NT
Remainders
Seq
International Mathematical Olympiad 2005 Problem 4
International Mathematical Olympiad 2005
NT
Coprime
Seq
International Mathematical Olympiad 2007 Problem 1
International Mathematical Olympiad 2007
Algebra
Inequalities
Optimization
Seq
International Mathematical Olympiad 2008 Problem 5
International Mathematical Olympiad 2008
Combinatorics
Counting
Seq
International Mathematical Olympiad 2009 Problem 3
International Mathematical Olympiad 2009
Algebra
Recurrences
Seq
International Mathematical Olympiad 2010 Problem 6
International Mathematical Olympiad 2010
Algebra
Inequalities
Optimization
Seq
International Mathematical Olympiad 2014 Problem 1
International Mathematical Olympiad 2014
Algebra
Inequalities
Seq
International Mathematical Olympiad 2015 Problem 6
International Mathematical Olympiad 2015
Inequalities
NT
Seq
Sums
International Mathematical Olympiad 2017 Problem 1
International Mathematical Olympiad 2017
NT
Recurrences
Seq
International Mathematical Olympiad 2018 Problem 2
International Mathematical Olympiad 2018
Algebra
NT
Recurrences
Seq
International Mathematical Olympiad 2018 Problem 5
International Mathematical Olympiad 2018
Inequalities
NT
Seq
International Mathematical Olympiad 2019 Problem 5
International Mathematical Olympiad 2019
Combinatorics
Optimization
Seq
International Mathematical Olympiad 2022 Problem 1
International Mathematical Olympiad 2022
Combinatorics
Seq
International Mathematical Olympiad 2023 Problem 3
International Mathematical Olympiad 2023
Algebra
Polynomials
Seq
International Mathematical Olympiad 2024 Problem 3
International Mathematical Olympiad 2024
Algebra
Combinatorics
Recurrences
Seq
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