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Problem Category Points AC % Users ▾
CCO '19 P6 - Bad Codes CCO 20p 25.4% 68
CCO '12 P6 - The Winds Of War CCO 12p 40.1% 67
CCO '04 P2 - Hockey Scores CCO 12 20.6% 66
CCO '19 P3 - Winter Driving CCO 30p 17.1% 65
CCO '23 P2 - Real Mountains CCO 17p 14.3% 65
CCO '01 P3 - Partitions CCO 12 33.9% 63
CCO '21 P5 - Bread First Search CCO 20p 23.0% 63
CCO '16 P3 - Legends CCO 30p 9.8% 61
CCO '03 P1 - BFed CCO 10 25.4% 61
Mock CCO '17 Problem 1 - Fast Fuhrer Transform Mock CCO 10p 25.4% 60
CCO '20 P5 - Interval Collection CCO 25p 16.0% 60
CCO '18 P6 - Flop Sorting CCO 30p 17.5% 59
CCO Preparation Test 3 P3 - Arrow Mock CCO 30p 18.1% 58
Mock CCO '18 Contest 4 Problem 4 - Time Travel Mock CCO 15p 27.8% 56
CCO '00 P4 - Packet Routing CCO 7 59.2% 56
CCO '17 P2 - Cartesian Conquest CCO 20p 9.4% 55
CCO '97 P2 - Alien Invasion CCO 10 43.4% 54
CCO '00 P5 - Millikan's Oil Droplet Experiment CCO 7 22.3% 54
CCO '21 P4 - Travelling Merchant CCO 25p 19.0% 53
CCO '10 P5 - Space Miner CCO 15 31.5% 52
Mock CCO '17 Problem 4 - Guards Mock CCO 15p 17.2% 52
CCO '23 P4 - Flip it and Stick it CCO 17p 6.9% 51
CCO '18 P5 - Boring Lectures (Online Version) CCO 30p 7.4% 50
CCO '09 P2 - Dinner CCO 20p 9.8% 50
CCO Preparation Test 4 P3 - Dynamic MST Mock CCO 25p 22.4% 49
Mock CCO '18 Contest 2 Problem 5 - Victor's Triangles Mock CCO 20p 33.2% 49
CCO '21 P3 - Through Another Maze Darkly CCO 25p 20.5% 49
CCO '01 P6 - Election Night CCO 15 15.2% 47
CCO '04 P4 - Return of Space Turtle CCO 12 14.2% 46
CCO '08 P3 - Mobile CCO 17p 31.3% 46
Mock CCO '18 Contest 2 Problem 1 - Victor Runs Mock CCO 15p 16.5% 44
CCO '09 P5 - Parade CCO 17p 17.3% 43
CCO '05 P2 - The Great Spamway Strike CCO 20 40.8% 43
CCO '04 P6 - Orko CCO 15 31.6% 42
CCO '08 P6 - Landing CCO 45 20.2% 40
Mock CCO '18 Contest 4 Problem 1 - Mining for Minerals Mock CCO 15p 14.2% 40
CCO '20 P6 - Shopping Plans CCO 30p 9.2% 40
CCO Preparation Test 1 P2 - Escape Maze Mock CCO 20p 12.0% 39
CCO Preparation Test 2 P3 - Subsets Mock CCO 20p 16.7% 39
Mock CCO '17 Problem 3 - Connection Mock CCO 20p 12.5% 38
Mock CCO '18 Contest 4 Problem 2 - Sunken Colonies Mock CCO 15p 43.5% 38
CCO '02 P4 - Duathlon CCO 10 11.3% 38
Mock CCO '18 Contest 4 Problem 6 - Splitting Drones Mock CCO 15p 34.6% 37
CCO '09 P4 - Bottle Caps CCO 20p 14.2% 37
Mock CCO '18 Contest 4 Problem 5 - Spawn More Overlords Mock CCO 20p 24.8% 35
CCO '02 P2 - Game Show Math CCO 12 21.4% 35
CCO '06 P2 - R & J CCO 10 20.8% 35
CCO '01 P4 - Breaking Level (Standard I/O) CCO 12 7.8% 35
CCO '17 P6 - Shifty Grid CCO 30p 17.8% 34
CCO '09 P3 - Beware the Geoducks CCO 10 9.8% 34