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Problem Category Types Points AC % Users
NOI '06 P4 - Maximum Profit China NOI Graph Theory 20p 26.9% 83
NOI '06 P5 - The Clever Tour Guide China NOI Graph Theory 30p 1.2% 7
NOI '06 P6 - The Magical Bag China NOI Intermediate Math 20p 18.8% 11
NOI '07 P1 - Social Network China NOI Graph Theory, Simple Math 15p 32.4% 85
NOI '07 P2 - Cash Exchange China NOI Dynamic Programming 30p 12.0% 26
NOI '07 P3 - Surrounding Battalions China NOI Graph Theory 40p 0.0% 0
NOI '07 P4 - Necklace Factory China NOI Data Structures 20p 9.8% 26
NOI '07 P5 - Counting Spanning Trees China NOI Advanced Math, Graph Theory 30p 14.3% 12
NOI '07 P6 - Thief Catching China NOI Dynamic Programming, Graph Theory 40p 19.6% 4
NOI '08 P1 - Masquerade Party China NOI Graph Theory 15p 9.4% 25
NOI '08 P2 - Course Design China NOI Dynamic Programming, Graph Theory 30p 8.3% 14
NOI '08 P3 - Hiring Employees China NOI Advanced Math, Graph Theory 25p 45.2% 42
NOI '08 P4 - Olympic Logistics China NOI Dynamic Programming 25p 25.3% 13
NOI '08 P5 - Candy Rain China NOI Divide and Conquer 30p 15.4% 11
NOI '08 P6 - Tournament Matching China NOI Simulation 40p 17.8% 4
NOI '09 P1 - Transformed Sequence China NOI Graph Theory 20p 20.9% 39
NOI '09 P2 - Little G the Poet China NOI Dynamic Programming 25p 6.4% 13
NOI '09 P3 - Modified Treap China NOI Dynamic Programming 20p 28.2% 45
NOI '09 P4 - Plants vs. Zombies China NOI Graph Theory 25p 22.6% 35
NOI '09 P5 - Pipe Marbles China NOI Dynamic Programming 25p 15.6% 59
NOI '09 P6 - Tracing China NOI Advanced Math, Geometry 20p 7.2% 3
NOI '10 P1 - Energy Harvesting China NOI Advanced Math 17p 29.2% 73
NOI '10 P2 - Super Piano China NOI Data Structures 25p 15.6% 168
NOI '10 P3 - Altitude China NOI Graph Theory 20p 14.8% 16
NOI '10 P4 - Flight Control China NOI Graph Theory 20p 21.0% 29
NOI '10 P5 - Route Planning China NOI Dynamic Programming 35p 5.3% 2
NOI '10 P6 - Happily Growing China NOI Advanced Math, Geometry 50p 2.3% 2
NOI '11 P1 - Rabbit Farming China NOI Intermediate Math 20p 6.5% 9
NOI '11 P2 - Intelligent Car Racing China NOI Dynamic Programming, Geometry 25p 12.2% 10
NOI '11 P3 - Ali's Typewriter China NOI String Algorithms 30p 30.3% 25
NOI '11 P4 - Road Construction China NOI Graph Theory 7p 45.0% 103
NOI '11 P5 - NOI Carnival China NOI Dynamic Programming 25p 17.6% 17
NOI '11 P6 - Bunny and Eggy's Game China NOI Graph Theory 25p 10.0% 5
NOI '12 P1 - Random Number Generator China NOI Advanced Math 15p 25.1% 62
NOI '12 P2 - Highway Cycling China NOI Advanced Math 25p 14.4% 16
NOI '12 P3 - Magic Chessboard China NOI Data Structures, Intermediate Math 40p 6.1% 10
NOI '12 P4 - Lost in the Park China NOI Dynamic Programming, Graph Theory 20p 11.1% 11
NOI '12 P5 - Food Festival China NOI Graph Theory 30p 22.1% 7
NOI '12 P6 - Triple Town China NOI Uncategorized 40p 0.0% 0
NOI '13 P1 - Inner Product China NOI Advanced Math 20p 7.5% 23
NOI '13 P2 - Tree Count China NOI Graph Theory 25p 12.3% 20
NOI '13 P3 - Little Q's Training China NOI Simulation 25p 0.0% 0
NOI '13 P4 - Matrix Game China NOI Advanced Math 20p 18.1% 32
NOI '13 P5 - Calligrapher China NOI Dynamic Programming 30p 19.4% 6
NOI '13 P6 - Fast Food Restaurant China NOI Graph Theory 30p 8.9% 12
NOI '14 P1 - Getting-Up Syndrome China NOI Greedy Algorithms 10p 27.2% 157
NOI '14 P2 - Enchanted Forest China NOI Graph Theory 20p 9.8% 67
NOI '14 P3 - Deletion Game China NOI Uncategorized 30p 0.3% 1
NOI '14 P4 - Zoo China NOI String Algorithms 15p 27.9% 79
NOI '14 P5 - Random Number Generator China NOI Greedy Algorithms 12p 24.1% 52