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Problem Category Points AC % Users ▾
DMOPC '20 Contest 3 P5 - Tower of Power DMOPC 25p 6.7% 67
DMOPC '20 Contest 2 P4 - Hungry Pigeons DMOPC 15p 11.0% 66
DMOPC '14 Contest 6 P3 - Streetcars DMOPC 7p 13.3% 65
DMOPC '14 Contest 7 P5 - Aurora DMOPC 10p 26.5% 63
DMOPC '22 Contest 1 P4 - Card Game DMOPC 12p 15.9% 63
DMOPC '15 Contest 7 P5 - Ariadne's Thread DMOPC 17p 21.0% 62
DMOPC '17 Contest 5 P4 - Intersecting Arcs DMOPC 17p 20.5% 62
DMOPC '14 Exam Time P6 - Math Homework DMOPC 15p 24.3% 61
DMOPC '18 Contest 6 P5 - Quadrat Sampling DMOPC 20p 15.2% 60
DMOPC '20 Contest 3 P3 - A Ring of Buckets DMOPC 12p 7.0% 60
DMOPC '22 Contest 3 P3 - Ina's Takodachis DMOPC 15p 5.7% 58
DMOPC '18 Contest 5 P5 - A Hat Problem DMOPC 20p 22.3% 57
DMOPC '20 Contest 7 P2 - Alice and Tiles DMOPC 10p 19.1% 57
DMOPC '20 Contest 4 P4 - Javelin Throwing DMOPC 15p 20.2% 56
DMOPC '21 Contest 2 P4 - Water Mechanics DMOPC 15p 23.4% 56
DMOPC '18 Contest 3 P3 - Bob and Math Class DMOPC 10p 15.1% 55
DMOPC '18 Contest 6 P2 - Enantiomers DMOPC 7 16.9% 55
DMOPC '20 Contest 7 P4 - Mimi and Carrots II DMOPC 17p 24.1% 54
DMOPC '22 Contest 5 P6 - Threes and Twos DMOPC 20p 20.0% 54
DMOPC '23 Contest 1 P4 - Wandering Walk DMOPC 17p 6.4% 54
DMOPC '18 Contest 4 P5 - Dr. Henri and Wormholes DMOPC 25p 18.5% 53
DMOPC '21 Contest 3 P3 - Hopping Frogs DMOPC 15p 21.9% 53
DMOPC '15 Contest 7 P6 - A Very Very Original Problem DMOPC 20p 27.8% 52
DMOPC '17 Contest 5 P5 - XOR Bridges DMOPC 15p 18.7% 52
DMOPC '19 Contest 7 P6 - Bob Equilibrium DMOPC 30p 18.6% 51
DMOPC '18 Contest 2 P5 - Another Sequence Problem DMOPC 15p 12.6% 48
DMOPC '21 Contest 1 P4 - Uneven Forest DMOPC 20 27.7% 48
DMOPC '19 Contest 5 P5 - Crazy Cyclic Coincidences DMOPC 17p 19.7% 43
DMOPC '21 Contest 9 P4 - Ace of Diamonds DMOPC 20p 20.0% 43
DMOPC '22 Contest 4 P3 - K-Knight DMOPC 15 16.0% 42
DMOPC '19 Contest 1 P3 - Simple Math DMOPC 12 17.8% 41
DMOPC '20 Contest 5 P3 - Bottom Row DMOPC 15p 6.7% 41
DMOPC '13 Contest 1 P5 - Math on Titan DMOPC 15p 17.0% 40
DMOPC '19 Contest 4 P5 - Financial Trouble DMOPC 17p 11.4% 40
DMOPC '21 Contest 4 P4 - Christmas Graph DMOPC 17p 32.4% 40
DMOPC '20 Contest 7 P5 - Mayors and Tolls DMOPC 20 40.3% 39
DMOPC '15 Contest 4 P5 - Scribe DMOPC 15p 26.7% 38
DMOPC '15 Contest 4 P6 - Alarms DMOPC 12p 37.5% 38
DMOPC '17 Contest 1 P6 - Land of the Carrot Trees DMOPC 20p 19.6% 38
DMOPC '17 Contest 4 P5 - Revised IOI DMOPC 12 28.8% 38
DMOPC '16 Contest 3 P6 - Long Lost Love DMOPC 17p 18.9% 37
DMOPC '14 Contest 6 P5 - Planning DMOPC 15p 23.6% 36
DMOPC '17 Contest 2 P6 - Lazy Days DMOPC 15p 15.4% 36
DMOPC '20 Contest 6 P4 - Land of the Carrot Trees II DMOPC 17p 19.7% 36
DMOPC '22 Contest 4 P5 - Blackboard Game DMOPC 17p 12.2% 36
DMOPC '22 Contest 4 P4 - Anki Reviews DMOPC 17p 13.7% 36
DMOPC '13 Contest 3 P4 - Snowman DMOPC 15p 12.5% 34
DMOPC '21 Contest 7 P4 - Rocket Race DMOPC 17p 7.1% 34
DMOPC '14 Contest 1 P6 - Biology Homework DMOPC 17p 18.7% 33
DMOPC '21 Contest 8 P5 - Tree Building DMOPC 25p 9.2% 33