Problems

Problem search

Point range
Go Random

Hot problems

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