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Problem Category Points AC % Users
NOI '19 P6 - Explore China NOI 25p 2.7% 12
NOI '20 P1 - Delicacy China NOI 25p 14.6% 43
NOI '20 P2 - Destiny China NOI 25p 17.3% 18
NOI '20 P3 - Tears China NOI 40p 10.8% 10
NOI '20 P4 - Dish China NOI 20p 9.1% 28
NOI '20 P5 - Surreal China NOI 17p 11.5% 22
NOI '20 P6 - Road China NOI 45p 4.0% 2
NOI '21 P1 - Light Heavy Edges China NOI 25p 10.6% 37
NOI '21 P2 - Intersecting Paths China NOI 25p 25.5% 20
NOI '21 P3 - Celebration China NOI 25p 10.1% 26
NOI '21 P4 - Quantum Communication China NOI 25p 9.0% 24
NOI '21 P5 - The Locked Box China NOI 25p 10.7% 10
NOI '21 P6 - Robot Game China NOI 25p 18.3% 5
NOI '22 P1 - Major China NOI 25p 6.4% 16
NOI '22 P2 - Stone China NOI 30p 23.8% 3
NOI '22 P3 - Count China NOI 40p 0.0% 0
NOI '22 P4 - Challenge NPC China NOI 25p 30.2% 8
NOI '22 P5 - Bubble Sort China NOI 35p 3.7% 3
NOI '22 P6 - Quadratic Integer Program China NOI 40p 0.0% 0
NOI '23 P1 - Square Coloring China NOI 17p 24.2% 19
NOI '23 P2 - Osmanthus Tree China NOI 25p 17.6% 9
NOI '23 P3 - Depth First Search China NOI 35p 23.1% 2
NOI '23 P4 - Trade China NOI 20p 37.5% 13
NOI '23 P5 - String China NOI 25p 12.4% 11
NOI '23 P6 - Merge the Books China NOI 30p 10.3% 4
NOI '97 P1 - Competition Ranking China NOI 7 31.9% 43
NOI '97 P2 - Optimal Routing China NOI 7p 27.6% 66
NOI '97 P3 - File Matching China NOI 25p 2.5% 2
NOI '97 P4 - Perfect Tour China NOI 5 32.1% 163
NOI '97 P5 - Building Game China NOI 15p 27.4% 25
NOI '97 P6 - Satellite Coverage China NOI 12p 36.7% 28
NOI '98 P1 - Personal Income Tax China NOI 7 49.3% 30
NOI '98 P2 - Free Pizza China NOI 15p 17.6% 18
NOI '98 P3 - Software Installation Disk China NOI 15p 52.2% 6
NOI '98 P4 - Scarf Cutting China NOI 15p 25.9% 13
NOI '98 P5 - SERNET Simulation China NOI 12p 10.6% 18
NOI '98 P6 - Parallel Computing China NOI 25p 0.0% 0
NOI '99 P1 - 01 Sequence China NOI 20p 30.4% 18
NOI '99 P2 - Nails and Ball China NOI 15p 20.2% 16
NOI '99 P3 - Birthday Cake China NOI 20p 13.2% 7
NOI '99 P4 - Chessboard Division China NOI 15p 19.8% 17
NOI '99 P5 - Optimally Connected Subset China NOI 15p 53.8% 21
NOI '99 P6 - Memory Allocation China NOI 20p 6.5% 9
NOI '22 Multi-Provincial Team Selection P1 - Preprocessor China NOI 10p 9.3% 14
NOI '22 Multi-Provincial Team Selection P2 - Tree China NOI 25p 11.0% 6
NOI '22 Multi-Provincial Team Selection P3 - Community China NOI 40p 2.9% 1
NOI '22 Multi-Provincial Team Selection P4 - Card China NOI 25p 11.7% 6
NOI '22 Multi-Provincial Team Selection P5 - Bracket China NOI 35p 6.6% 6
NOI '22 Multi-Provincial Team Selection P6 - MIS China NOI 40p 7.4% 2
NOIP '04 P2 - Combine Fruit China NOI 5 34.6% 70