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Problem Category ▴ Types Points AC % Users
CEOI '16 P4 - Match CEOI Data Structures, Dynamic Programming, String Algorithms 15p 19.9% 22
CEOI '19 P4 - Amusement Park CEOI Dynamic Programming, Graph Theory 30p 20.8% 7
CEOI '19 P5 - Magic Tree CEOI Data Structures, Dynamic Programming, Graph Theory 20p 9.3% 34
CEOI '16 P5 - Popeala CEOI Dynamic Programming 25p 18.6% 11
CEOI '09 P2 - Harbingers CEOI Data Structures, Dynamic Programming, Graph Theory 25p 12.8% 23
Longest Common Subsequence Classics Dynamic Programming 7 40.5% 836
HopScotch II Classics Data Structures, Dynamic Programming 12p 24.0% 177
Longest Increasing Subsequence Classics Dynamic Programming 10 23.6% 545
All Pairs Shortest Path Classics Dynamic Programming, Graph Theory 20p 8.7% 6
Tootsie Rolls Classics Dynamic Programming, Graph Theory 12p 22.2% 10
NOI '19 P1 - Route China NOI Dynamic Programming 25p 12.1% 51
NOI '19 P2 - Robot China NOI Dynamic Programming 25p 6.9% 7
NOI '00 P3 - Mystery of the Lost City China NOI Data Structures, Dynamic Programming 17p 40.0% 9
NOI '01 P2 - Artillery Positioning China NOI Dynamic Programming 20p 29.7% 47
NOI '99 P2 - Nails and Ball China NOI Dynamic Programming 15p 20.3% 15
NOI '06 P3 - Millennium Worm China NOI Dynamic Programming 25p 15.9% 7
NOI '98 P4 - Scarf Cutting China NOI Dynamic Programming 15p 24.5% 8
NOI '01 P6 - Secret of the Meteorite China NOI Dynamic Programming 15p 27.4% 26
NOI '00 P5 - Frogs Crossing the River China NOI Dynamic Programming 10p 29.7% 24
NOI '97 P4 - Perfect Tour China NOI Dynamic Programming 5 32.2% 136
NOI '05 P4 - CongCong and KoKo China NOI Dynamic Programming, Graph Theory 15p 19.7% 57
NOI '97 P5 - Building Game China NOI Dynamic Programming 15p 27.1% 23
NOI '08 P4 - Olympic Logistics China NOI Dynamic Programming 25p 27.0% 12
NOI '08 P2 - Course Design China NOI Dynamic Programming, Graph Theory 30p 7.9% 12
NOI '07 P6 - Thief Catching China NOI Dynamic Programming, Graph Theory 40p 23.7% 4
NOI '11 P2 - Intelligent Car Racing China NOI Dynamic Programming, Geometry 25p 12.2% 10
NOI '04 P3 - Manhattan China NOI Dynamic Programming 25p 8.9% 15
NOI '07 P2 - Cash Exchange China NOI Dynamic Programming 30p 12.1% 24
NOI '06 P1 - Network Charges China NOI Dynamic Programming, Graph Theory 20p 25.8% 24
NOI '09 P2 - Little G the Poet China NOI Dynamic Programming 25p 6.6% 12
NOI '02 P3 - The Greedy Kuzuryū China NOI Dynamic Programming 17p 25.6% 57
NOI '10 P5 - Route Planning China NOI Dynamic Programming 35p 5.7% 2
NOI '13 P5 - Calligrapher China NOI Dynamic Programming 30p 19.4% 6
NOI '11 P5 - NOI Carnival China NOI Dynamic Programming 25p 19.5% 16
NOI '04 P5 - Little H's Little Hut China NOI Dynamic Programming 20p 39.4% 7
NOI '09 P5 - Pipe Marbles China NOI Dynamic Programming 25p 14.8% 52
NOI '09 P3 - Modified Treap China NOI Dynamic Programming 20p 28.2% 45
NOI '12 P4 - Lost in the Park China NOI Dynamic Programming, Graph Theory 20p 10.9% 10
NOI '05 P1 - The Magnificent Waltz China NOI Data Structures, Dynamic Programming 20p 12.9% 46
NOI '15 P3 - Sushi Dinner China NOI Dynamic Programming 25p 12.5% 22
NOI '15 P6 - Farm China NOI Dynamic Programming, Graph Theory 25p 6.1% 6
NOI '20 P2 - Destiny China NOI Data Structures, Dynamic Programming 25p 16.4% 12
NOI '20 P4 - Dish China NOI Dynamic Programming, Greedy Algorithms 20p 7.6% 19
NOIP '18 P2 - Currency System China NOI Dynamic Programming 10p 42.8% 114
NOIP '18 P3 - Constructing Tracks China NOI Dynamic Programming, Graph Theory 17p 21.1% 37
NOIP '18 P6 - Defending the Kingdom China NOI Data Structures, Dynamic Programming 25p 13.0% 5
NOIP '21 P2 - Sequence China NOI Dynamic Programming, Intermediate Math 20p 28.8% 60
NOIP '15 P5 - Substring China NOI Dynamic Programming 12p 38.6% 11
NOI '22 Multi-Provincial Team Selection P6 - MIS China NOI Dynamic Programming 40p 8.3% 2
NOIP '99 P1 - Missile Interception China NOI Dynamic Programming, Greedy Algorithms 12p 39.8% 40