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Problem Category Types Points AC % Users
CCO '22 P1 - Alternating Heights CCO Graph Theory 12p 25.8% 150
CCO '22 P2 - Rainy Markets CCO Dynamic Programming, Greedy Algorithms 17p 18.7% 112
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 19.9% 35
CCO '22 P5 - Phone Plans CCO Data Structures, Graph Theory 20p 13.5% 39
CCO '22 P6 - Good Game CCO Constructive, Dynamic Programming 35p 18.7% 12
CCO '23 P1 - Binaria CCO Implementation, Intermediate Math 12p 21.9% 209
CCO '23 P2 - Real Mountains CCO Data Structures, Greedy Algorithms 17p 11.9% 77
CCO '23 P3 - Line Town CCO Ad Hoc, Data Structures, Dynamic Programming 30p 9.7% 24
CCO '23 P4 - Flip it and Stick it CCO Ad Hoc, String Algorithms 17p 7.0% 60
CCO '23 P5 - Travelling Trader CCO Dynamic Programming, Graph Theory 30p 7.5% 19
CCO '23 P6 - Triangle Collection CCO Data Structures, Greedy Algorithms 25p 15.8% 19
CCO '24 P1 - Treasure Hunt CCO Graph Theory 10p 21.7% 90
CCO '24 P2 - Pizza Party CCO Greedy Algorithms 10p 33.0% 38
CCO '24 P3 - Summer Driving CCO Data Structures, Graph Theory 25p 10.5% 11
CCO '24 P4 - Infiltration CCO Graph Theory 20p 9.9% 13
CCO '24 P4 - Infiltration (Hard) CCO Graph Theory 30p 7.1% 2
CCO '24 P5 - Heavy Light Decomposition CCO Data Structures, Dynamic Programming 20p 15.7% 18
CCO '24 P6 - Telephone Plans CCO Data Structures, Graph Theory 30p 15.3% 11
CCO '96 P1 - Train Swapping CCO Implementation 5 27.1% 215
CCO '96 P2 - SafeBreaker CCO Brute Force 10 36.1% 92
CCO '96 P3 - Quadtrees CCO Recursion 15 49.3% 87
CCO '96 P4 - Where's Waldorf? CCO Implementation 7 47.6% 84
CCO '96 P5 - All Roads Lead Where? CCO Graph Theory 7 62.1% 279
CCO '96 P6 - Hoppers CCO Graph Theory 15 15.4% 30
CCO '97 P1 - Palindromes CCO Implementation, String Algorithms 10 11.9% 31
CCO '97 P2 - Alien Invasion CCO Dynamic Programming 10 45.4% 62
CCO '97 P3 - Porous Stone CCO Implementation, Simulation 10 18.6% 3
CCO '97 P4 - High Tide CCO Implementation, Intermediate Math 10 24.0% 12
CCO '97 P5 - Space Aliens CCO Brute Force, Implementation 10 23.7% 5
CCO '97 P6 - Aligning DNA CCO Implementation 7 14.2% 16
CCO '98 P1 - Fibonacci Numbers CCO Intermediate Math 7 25.6% 164
CCO '98 P2 - Message Deciphering CCO Implementation 7 57.4% 29
CCO '98 P3 - Bus Schedule CCO Graph Theory 12 16.7% 3
CCO '98 P4 - Scoring Curling CCO Implementation 7p 25.7% 9
CCO '98 P5 - Text Segmentation CCO Dynamic Programming 10 16.9% 19
CCO '98 P6 - Derek's Dilemma CCO Dynamic Programming, Game Theory 12 50.0% 5
CCO '99 P1 - You Can't Get There From Here CCO Implementation 7 27.1% 17
CCO '99 P2 - Common Words CCO Implementation 10 12.1% 336
CCO '99 P3 - Manelzuma's Revenge CCO Implementation 10 33.3% 3
CCO '99 P4 - Maple Roundup CCO Geometry, Implementation 10 20.6% 29
CCO '99 P5 - Sum Of Products CCO Implementation 15 13.9% 2
CCO '99 P6 - Fast Food CCO Dynamic Programming, Greedy Algorithms 15 25.8% 16
CCO Preparation Test 1 P1 - Double Cross Mock CCO Ad Hoc, Data Structures 20p 12.1% 10
CCO Preparation Test 1 P2 - Escape Maze Mock CCO Graph Theory 20p 11.8% 40
CCO Preparation Test 1 P3 - K-th Rank Student Mock CCO Data Structures, Graph Theory 17p 34.6% 161
CCO Preparation Test 2 P1 - Concatenation Mock CCO Ad Hoc, Advanced Math 17p 13.1% 32
CCO Preparation Test 2 P2 - Forest Area Mock CCO Ad Hoc, Data Structures 25p 3.8% 5
CCO Preparation Test 2 P3 - Subsets Mock CCO Ad Hoc, Dynamic Programming 20p 17.1% 42
CCO Preparation Test 3 P1 - Primitive Pythagorean Pairs Mock CCO Graph Theory 25p 13.5% 20