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Problem Category Types Points AC % Users
Baltic OI '19 P5 - Necklace Baltic OI Ad Hoc, Dynamic Programming, String Algorithms 17p 11.6% 19
Baltic OI '19 P6 - Olympiads Baltic OI Data Structures 20p 20.8% 36
Baltic OI '20 P3 - Joker Baltic OI Data Structures, Divide and Conquer, Graph Theory 25p 14.1% 21
Back To School '16: Harambe Seasonal Implementation 3p 30.4% 920
Back To School '16: Paradox Seasonal Implementation 5 33.9% 289
Back To School '16: Dodgeball Seasonal Simple Math 7p 16.4% 203
Back To School '16: Screensaver Seasonal Simulation 10 13.2% 97
Back To School '16: Cherry Tree Seasonal Graph Theory 12p 41.5% 323
Back To School '16: Times Table Seasonal Data Structures, Graph Theory 17p 9.6% 56
Back To School '16: Contest Practice Seasonal Ad Hoc, Dynamic Programming 20p 42.3% 45
Back To School '16: Textbooks Seasonal Data Structures 20p 23.0% 80
Back To School '17: 🅱aram🅱e Seasonal Implementation 3p 41.6% 412
Back To School '17: Avalon Seasonal Simple Math 5p 29.4% 351
Back To School '17: Physics Seasonal Simple Math 7 6.8% 73
Back To School '17: Wet Mud Seasonal Implementation 10p 19.5% 338
Back To School '17: New English Seasonal Greedy Algorithms 12p 10.1% 82
Back To School '17: Sour Candy Seasonal Data Structures, Dynamic Programming 15p 28.5% 85
Back To School '17: Hot and Cold Seasonal Graph Theory 20p 16.1% 79
Back To School '17: Big Integer Seasonal Advanced Math, Divide and Conquer 35p 5.9% 27
Back To School '18: Harambe Seasonal Implementation 3 23.1% 400
Back To School '18: Letter Frequency Seasonal Data Structures, Implementation 7p 19.1% 580
Back To School '18: Making Friends Seasonal Greedy Algorithms 7p 18.3% 146
Back To School '18: Beautiful Trees Seasonal Graph Theory, Simple Math 10p 15.0% 106
Back To School '18: An FFT Problem Seasonal Dynamic Programming 10p 26.2% 114
Back To School '18: The Golden Porcupine Seasonal Data Structures 15p 32.8% 214
Back To School '18: Trucking Troubles II Seasonal Data Structures, Graph Theory 20p 29.9% 32
Back To School '18: Function Maximization Seasonal Advanced Math, Data Structures 25p 13.8% 33
Back To School '19: H🅰️r🅰️mbe Seasonal Implementation 3 34.4% 267
Back To School '19: Parkour Seasonal Greedy Algorithms 5p 12.2% 175
Back To School '19: Chemistry Seasonal Ad Hoc, Simple Math 7p 13.2% 98
Back To School '19: A Circular Game Seasonal Greedy Algorithms 10p 7.5% 45
Back To School '19: Heist Night Seasonal Dynamic Programming, Graph Theory 15p 14.7% 31
Back To School '19: Unstable Books Seasonal Dynamic Programming 15p 28.4% 33
Back To School '19: FFT Fun Seasonal Dynamic Programming, Intermediate Math 20p 14.6% 16
Back To School '19: Beautiful_Times' Fruit Scam Seasonal Divide and Conquer, Geometry, Interactive 35p 20.4% 5
Back to School '24 P1 - Kicking Uncategorized Implementation 5p 29.3% 345
Back to School '24 P2 - Cheating Uncategorized Greedy Algorithms 10p 25.5% 227
Back to School '24 P3 - Tournament Uncategorized Divide and Conquer 12 35.3% 154
Back to School '24 P4 - Candidates Uncategorized Greedy Algorithms 15p 16.6% 80
Back to School '24 P5 - Snitching Uncategorized Data Structures 15p 12.1% 68
Back to School '24 P6 - Rex Uncategorized Dynamic Programming, Graph Theory 20p 18.3% 25
Building Uncategorized Data Structures, Dynamic Programming 10p 24.3% 49
Bus Stops Uncategorized Data Structures 10 24.0% 27
Mighty Cactus Uncategorized Data Structures, Implementation 7 12.3% 51
The Cake is a Dessert Uncategorized Data Structures 10 29.7% 223
Calendar Contest Problem 1 — Sexagenary Cycle Seasonal Implementation 5 33.3% 70
Calendar Contest Problem 2 — Day of the Week Seasonal Implementation 10 5.0% 9
Calendar Contest Problem 3 — Classical Maya Seasonal Implementation 10 11.4% 8
Calendar Contest Problem 4 — Savvyday 29 Oatmeal 94 Seasonal Implementation 10 1.0% 3
Calendar Contest Problem 5 — Reign of Terror Uncategorized Implementation 15 3.3% 2