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Problem Category Points AC % Users
CCC '20 S4 - Swapping Seats CCC 12p 25.2% 520
CCC '21 S4 - Daily Commute CCC 12p 26.1% 618
CCC '21 S5 - Math Homework CCC 15p 25.3% 452
CCC '22 S4 - Good Triplets CCC 15p 28.4% 337
CCC '23 S4 - Minimum Cost Roads CCC 15p 19.5% 287
CCC '24 S4 - Painting Roads CCC 12p 34.5% 223
CCC '99 S4 - A Knightly Pursuit CCC 12 18.5% 366
CCC '99 S5 - Letter Arithmetic CCC 12 16.8% 81
CCCJQR P5 Seasonal 15p 20.9% 22
CCO '00 P2 - Ransom Note CCO 12p 8.0% 7
CCO '00 P3 - The Game Of 31 CCO 15 56.5% 12
CCO '00 P6 - Extension Cords CCO 12 17.6% 7
CCO '01 P2 - Coke or Chocolate Milk CCO 12 17.1% 11
CCO '01 P3 - Partitions CCO 12 34.4% 65
CCO '01 P4 - Breaking Level (Standard I/O) CCO 12 8.4% 42
CCO '01 P6 - Election Night CCO 15 15.2% 47
CCO '02 P1 - Spam CCO 12 44.4% 22
CCO '02 P2 - Game Show Math CCO 12 22.0% 44
CCO '02 P3 - Return To Blind Man's Bluff CCO 12 12.2% 16
CCO '02 P5 - Connect The Campus CCO 12 30.5% 105
CCO '02 P6 - Pit Stop Strategy CCO 12 41.4% 9
CCO '03 P2 - Concentration Cards CCO 15 34.3% 32
CCO '04 P2 - Hockey Scores CCO 12 20.9% 68
CCO '04 P3 - S and K CCO 15p 5.1% 7
CCO '04 P4 - Return of Space Turtle CCO 12 14.1% 46
CCO '04 P6 - Orko CCO 15 31.6% 42
CCO '05 P4 - Primed Sequences CCO 12p 12.3% 94
CCO '09 P6 - A Weighty Problem CCO 12p 15.5% 77
CCO '10 P2 - Tree Pruning CCO 15 30.2% 194
CCO '10 P3 - Wowow CCO 15p 23.9% 290
CCO '10 P5 - Space Miner CCO 15 32.0% 54
CCO '11 P2 - Vampire Tunnels CCO 15p 19.1% 330
CCO '11 P6 - Biggest (Zero Carbon) Footprint CCO 15p 12.6% 79
CCO '12 P2 - The Hungary Games CCO 15 24.6% 487
CCO '12 P6 - The Winds Of War CCO 12p 40.0% 66
CCO '13 P2 - Tourney CCO 12p 42.9% 411
CCO '13 P3 - LHC CCO 12p 23.4% 429
CCO '13 P5 - Transforming Comets CCO 15p 19.0% 75
CCO '14 P2 - King Gruff CCO 15p 36.4% 257
CCO '15 P1 - Hungry Fox CCO 15p 21.5% 224
CCO '15 P2 - Artskjid CCO 15p 15.6% 522
CCO '16 P2 - Splitting Hares CCO 15p 14.1% 95
CCO '16 P5 - Zombie Apocalypse CCO 15p 19.0% 144
CCO '18 P2 - Wrong Answer CCO 12p 15.5% 120
CCO '18 P4 - Gradient Descent CCO 15p 14.5% 263
CCO '19 P5 - Marshmallow Molecules CCO 15p 26.8% 130
CCO '20 P2 - Exercise Deadlines CCO 15p 30.0% 300
CCO '22 P1 - Alternating Heights CCO 12p 25.7% 149
CCO '23 P1 - Binaria CCO 12p 21.8% 208
CCO '96 P3 - Quadtrees CCO 15 49.3% 87