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Problem Category Types Points AC % Users
CCO '14 P5 - Early Exam Evacuation CCO Ad Hoc, Data Structures 20p 23.4% 88
CCO '14 P6 - Gates CCO Ad Hoc, Graph Theory 40p 9.0% 13
CCO '15 P1 - Hungry Fox CCO Greedy Algorithms 15p 21.6% 223
CCO '15 P2 - Artskjid CCO Dynamic Programming, Graph Theory 15p 15.4% 516
CCO '15 P3 - Solar Flight CCO Data Structures, Geometry 20p 12.6% 68
CCO '15 P4 - Cars on Ice CCO Graph Theory 10p 18.6% 210
CCO '15 P5 - Timpanist CCO Dynamic Programming 20p 36.7% 103
CCO '15 P6 - Eggscavation CCO Data Structures 30p 18.6% 71
CCO '16 P1 - Field Trip CCO Graph Theory 10p 21.8% 174
CCO '16 P2 - Splitting Hares CCO Geometry 15p 14.1% 93
CCO '16 P3 - Legends CCO Graph Theory 30p 9.8% 62
CCO '16 P4 - O Canada CCO Ad Hoc 10p 36.4% 276
CCO '16 P5 - Zombie Apocalypse CCO Data Structures, Geometry 15p 19.0% 143
CCO '16 P6 - Pirates CCO Data Structures 25p 20.2% 72
CCO '17 P1 - Vera and Trail Building CCO Graph Theory, Greedy Algorithms 7p 38.6% 430
CCO '17 P2 - Cartesian Conquest CCO Greedy Algorithms 20p 9.8% 56
CCO '17 P3 - Vera and Modern Art CCO Data Structures, Intermediate Math 30p 13.4% 97
CCO '17 P4 - Rainfall Storage CCO Dynamic Programming 20p 35.7% 181
CCO '17 P5 - Professional Network CCO Greedy Algorithms 20p 33.0% 171
CCO '17 P6 - Shifty Grid CCO Ad Hoc 30p 17.7% 34
CCO '18 P1 - Geese vs. Hawks CCO Dynamic Programming 10p 37.9% 599
CCO '18 P2 - Wrong Answer CCO Implementation 12p 15.6% 120
CCO '18 P3 - Fun Palace CCO Dynamic Programming 30p 17.9% 79
CCO '18 P4 - Gradient Descent CCO Implementation, Interactive 15p 14.5% 262
CCO '18 P5 - Boring Lectures CCO Data Structures 20p 19.1% 135
CCO '18 P5 - Boring Lectures (Online Version) CCO Data Structures 30p 7.2% 51
CCO '18 P6 - Flop Sorting CCO Divide and Conquer 30p 17.4% 59
CCO '19 P1 - Human Error CCO Brute Force, Dynamic Programming, Game Theory, Intermediate Math, Recursion, Simulation 10p 30.1% 96
CCO '19 P2 - Sirtet CCO Graph Theory, Simulation 20p 23.6% 87
CCO '19 P3 - Winter Driving CCO Divide and Conquer, Dynamic Programming, Graph Theory 30p 17.7% 69
CCO '19 P4 - Card Scoring CCO Dynamic Programming 25p 15.5% 71
CCO '19 P5 - Marshmallow Molecules CCO Data Structures, Graph Theory 15p 26.8% 130
CCO '19 P6 - Bad Codes CCO Graph Theory 20p 25.6% 73
CCO '20 P1 - A Game with Grundy CCO Geometry 10p 19.9% 223
CCO '20 P2 - Exercise Deadlines CCO Data Structures, Greedy Algorithms 15p 29.8% 295
CCO '20 P3 - Mountains and Valleys CCO Graph Theory 35p 5.2% 26
CCO '20 P4 - Travelling Salesperson CCO Graph Theory 25p 20.5% 96
CCO '20 P5 - Interval Collection CCO Data Structures 25p 16.3% 63
CCO '20 P6 - Shopping Plans CCO Ad Hoc 30p 9.3% 44
CCO '21 P1 - Swap Swap Sort CCO Data Structures 17p 16.3% 156
CCO '21 P2 - Weird Numeral System CCO Intermediate Math 17p 12.5% 90
CCO '21 P3 - Through Another Maze Darkly CCO Data Structures, Graph Theory 25p 20.0% 52
CCO '21 P4 - Travelling Merchant CCO Graph Theory 25p 20.0% 56
CCO '21 P5 - Bread First Search CCO Dynamic Programming 20p 21.9% 66
CCO '21 P6 - Loop Town CCO Ad Hoc, Data Structures 50p 4.6% 13
CCO '22 P1 - Alternating Heights CCO Graph Theory 12p 25.4% 145
CCO '22 P2 - Rainy Markets CCO Dynamic Programming, Greedy Algorithms 17p 18.6% 111
CCO '22 P3 - Double Attendance CCO Dynamic Programming, Graph Theory 25p 7.5% 29
CCO '22 P4 - Bi-ing Lottery Treekets CCO Dynamic Programming, Graph Theory, Intermediate Math 20p 19.3% 32
CCO '22 P5 - Phone Plans CCO Data Structures, Graph Theory 20p 13.5% 39