ProblemSourceTags
International Mathematical Olympiad 1966 Problem 5International Mathematical Olympiad 1966AbsAlgebraSystems
International Mathematical Olympiad 1966 Problem 6International Mathematical Olympiad 1966AreaGeometryOptimizationTriangle
International Mathematical Olympiad 1967 Problem 1International Mathematical Olympiad 1967CircleGeometryInequalitiesParallelogram
International Mathematical Olympiad 1967 Problem 2International Mathematical Olympiad 1967InequalitiesOptimization3DTetrahedron
International Mathematical Olympiad 1967 Problem 3International Mathematical Olympiad 1967DivisibilityNTPrimes
International Mathematical Olympiad 1967 Problem 4International Mathematical Olympiad 1967ConstructionGeometryOptimizationSimilarityTriangle
International Mathematical Olympiad 1967 Problem 5International Mathematical Olympiad 1967AlgebraEqPolynomialsSeq
International Mathematical Olympiad 1967 Problem 6International Mathematical Olympiad 1967AlgebraEqSystems
International Mathematical Olympiad 1968 Problem 1International Mathematical Olympiad 1968AnglesGeometryTriangle
International Mathematical Olympiad 1968 Problem 2International Mathematical Olympiad 1968DigitsNTQuadratics
International Mathematical Olympiad 1968 Problem 3International Mathematical Olympiad 1968AlgebraQuadraticsSystems
International Mathematical Olympiad 1968 Problem 4International Mathematical Olympiad 1968Geometry3DTetrahedronTriangle
International Mathematical Olympiad 1968 Problem 5International Mathematical Olympiad 1968AlgebraFunctionalFunctions
International Mathematical Olympiad 1968 Problem 6International Mathematical Olympiad 1968AlgebraSeqSums
International Mathematical Olympiad 1969 Problem 1International Mathematical Olympiad 1969CompositeNTPrimes
International Mathematical Olympiad 1969 Problem 2International Mathematical Olympiad 1969EqFunctionsTrigonometry
International Mathematical Olympiad 1969 Problem 3International Mathematical Olympiad 1969ConstructionGeometry3DTetrahedron
International Mathematical Olympiad 1969 Problem 4International Mathematical Olympiad 1969CircleGeometryIncircleTangentTriangle
International Mathematical Olympiad 1969 Problem 5International Mathematical Olympiad 1969CombinatoricsCountingGeometryQuad
International Mathematical Olympiad 1969 Problem 6International Mathematical Olympiad 1969AlgebraInequalities
International Mathematical Olympiad 1970 Problem 1International Mathematical Olympiad 1970CircleGeometryIncircleTriangle
International Mathematical Olympiad 1970 Problem 2International Mathematical Olympiad 1970DigitsInequalitiesNT
International Mathematical Olympiad 1970 Problem 3International Mathematical Olympiad 1970AlgebraConstructionInequalitiesSeq
International Mathematical Olympiad 1970 Problem 4International Mathematical Olympiad 1970CombinatoricsCountingNT
International Mathematical Olympiad 1970 Problem 5International Mathematical Olympiad 1970GeometryInequalitiesOptimization3DTetrahedron
International Mathematical Olympiad 1970 Problem 6International Mathematical Olympiad 1970CombinatoricsGeometryOptimizationTriangle
International Mathematical Olympiad 1971 Problem 1International Mathematical Olympiad 1971AlgebraInequalitiesPolynomials
International Mathematical Olympiad 1971 Problem 2International Mathematical Olympiad 1971Geometry3D
International Mathematical Olympiad 1971 Problem 3International Mathematical Olympiad 1971NTPowersCoprime
International Mathematical Olympiad 1971 Problem 4International Mathematical Olympiad 1971GeometryOptimization3DTetrahedronTriangle
International Mathematical Olympiad 1971 Problem 5International Mathematical Olympiad 1971ConstructionCoordGeometry
International Mathematical Olympiad 1971 Problem 6International Mathematical Olympiad 1971AlgebraInequalitiesTables
International Mathematical Olympiad 1972 Problem 1International Mathematical Olympiad 1972CombinatoricsCountingNT
International Mathematical Olympiad 1972 Problem 2International Mathematical Olympiad 1972Cyclic quadGeometryQuad
International Mathematical Olympiad 1972 Problem 3International Mathematical Olympiad 1972CombinatoricsFactorialNT
International Mathematical Olympiad 1972 Problem 4International Mathematical Olympiad 1972AlgebraInequalitiesSystems
International Mathematical Olympiad 1972 Problem 5International Mathematical Olympiad 1972AlgebraFunctionalFunctions
International Mathematical Olympiad 1972 Problem 6International Mathematical Olympiad 1972ConstructionGeometry3DTetrahedron
International Mathematical Olympiad 1973 Problem 1International Mathematical Olympiad 1973GeometryInequalities
International Mathematical Olympiad 1973 Problem 2International Mathematical Olympiad 1973ConstructionGeometry3D
International Mathematical Olympiad 1973 Problem 3International Mathematical Olympiad 1973AlgebraOptimizationPolynomials
International Mathematical Olympiad 1973 Problem 4International Mathematical Olympiad 1973EquilateralGeometryOptimization
International Mathematical Olympiad 1973 Problem 5International Mathematical Olympiad 1973AlgebraFunctionalFunctions
International Mathematical Olympiad 1973 Problem 6International Mathematical Olympiad 1973AlgebraInequalitiesOptimization
International Mathematical Olympiad 1974 Problem 1International Mathematical Olympiad 1974AlgebraGamesSystems
International Mathematical Olympiad 1974 Problem 2International Mathematical Olympiad 1974GeometryInequalitiesTriangleTrigonometry
International Mathematical Olympiad 1974 Problem 3International Mathematical Olympiad 1974CombinationsDivisibilityModNT
International Mathematical Olympiad 1974 Problem 4International Mathematical Olympiad 1974BoardCombinatoricsOptimizationTiling
International Mathematical Olympiad 1974 Problem 5International Mathematical Olympiad 1974AlgebraInequalitiesOptimization
International Mathematical Olympiad 1974 Problem 6International Mathematical Olympiad 1974AlgebraNTPolynomials