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Problem Category Types ▴ Points AC % Users
CCO '22 P3 - Double Attendance CCO Dynamic Programming, Graph Theory 25p 7.4% 28
CCO '22 P4 - Bi-ing Lottery Treekets CCO Dynamic Programming, Graph Theory, Intermediate Math 20p 20.5% 30
NOIP '99 P1 - Missile Interception China NOI Dynamic Programming, Greedy Algorithms 12p 40.5% 41
NOIP '99 P4 - Stamp Face Value Design China NOI Dynamic Programming 12p 11.4% 10
Magic Sequence Olympiads School Dynamic Programming 7p 64.9% 92
IOI '00 P5 - Post Office IOI Dynamic Programming 15p 40.6% 183
A Math Contest P8 - Permutation Counting Uncategorized Dynamic Programming, Intermediate Math 12 36.6% 62
Baltic OI '13 P4 - Brunhilda's Birthday Baltic OI Dynamic Programming, Intermediate Math 15p 27.0% 10
NOI '97 P4 - Perfect Tour China NOI Dynamic Programming 5 31.7% 138
NOI '01 P2 - Artillery Positioning China NOI Dynamic Programming 20p 29.7% 47
NOI '01 P6 - Secret of the Meteorite China NOI Dynamic Programming 15p 27.4% 26
NOI '04 P3 - Manhattan China NOI Dynamic Programming 25p 8.9% 15
NOI '05 P4 - CongCong and KoKo China NOI Dynamic Programming, Graph Theory 15p 19.9% 59
NOI '06 P1 - Network Charges China NOI Dynamic Programming, Graph Theory 20p 25.8% 24
NOI '07 P2 - Cash Exchange China NOI Dynamic Programming 30p 11.8% 25
NOI '08 P2 - Course Design China NOI Dynamic Programming, Graph Theory 30p 7.9% 12
NOI '08 P4 - Olympic Logistics China NOI Dynamic Programming 25p 27.0% 12
NOI '09 P2 - Little G the Poet China NOI Dynamic Programming 25p 6.4% 13
NOI '09 P5 - Pipe Marbles China NOI Dynamic Programming 25p 14.8% 52
NOI '10 P5 - Route Planning China NOI Dynamic Programming 35p 5.7% 2
NOI '11 P2 - Intelligent Car Racing China NOI Dynamic Programming, Geometry 25p 12.2% 10
NOI '11 P5 - NOI Carnival China NOI Dynamic Programming 25p 19.5% 16
NOI '12 P4 - Lost in the Park China NOI Dynamic Programming, Graph Theory 20p 10.9% 10
NOI '13 P5 - Calligrapher China NOI Dynamic Programming 30p 19.4% 6
NOI '15 P6 - Farm China NOI Dynamic Programming, Graph Theory 25p 6.1% 6
NOI '19 P2 - Robot China NOI Dynamic Programming 25p 6.9% 7
Baltic OI '06 P6 - Jump Baltic OI Dynamic Programming 7p 15.3% 22
Good Sets Uncategorized Dynamic Programming, Simple Math 10p 27.2% 32
Baltic OI '12 P1 - Brackets Baltic OI Dynamic Programming 15p 32.7% 12
CCO '97 P2 - Alien Invasion CCO Dynamic Programming 10 43.4% 54
There's a Hole in the Bucket Uncategorized Dynamic Programming 7 57.4% 131
JOI '21 Open P2 - Financial Report JOI Dynamic Programming 25p 34.0% 13
JOI '22 Open P2 - Giraffes JOI Dynamic Programming 35p 0.0% 0
JOI '20 Open P3 - Power Plant JOI Dynamic Programming, Graph Theory 15p 39.8% 23
DWITE '08 R5 #4 - Wiring the Server Room DWITE Dynamic Programming, Graph Theory 15 22.6% 12
A Math Contest P5 - Good Arrays Uncategorized Dynamic Programming, Simple Math 7p 28.3% 133
DWITE '06 R5 #2 - Floppy Disk DWITE Dynamic Programming 7p 56.4% 106
Sleigh Ride Uncategorized Dynamic Programming, Graph Theory 10 27.0% 314
NOIP '18 Junior P3 - Shuttle Bus China NOI Dynamic Programming 12p 16.3% 6
BSSPC '22 P6 - Permutations & Primogems Uncategorized Dynamic Programming, Greedy Algorithms 10p 16.8% 108
IOI '98 P6 - Polygon IOI Dynamic Programming 15 32.0% 61
Purple Lemon Uncategorized Dynamic Programming 7p 21.4% 17
DMOPC '18 Contest 4 P3 - Dr. Henri and Ionization DMOPC Dynamic Programming, Greedy Algorithms 10p 43.5% 116
NOIP '21 P2 - Sequence China NOI Dynamic Programming, Intermediate Math 20p 28.7% 62
IOI '07 P6 - Training IOI Dynamic Programming, Graph Theory 40p 27.9% 67
IOI '05 P1 - Garden IOI Dynamic Programming 20p 21.7% 252
Ancient Castle Ruins Uncategorized Dynamic Programming 25p 2.9% 1
MCIPC Contest 2 P6 - Block Tower Uncategorized Dynamic Programming, Game Theory 12p 11.6% 9
Waterloo 2022 Fall B - Lightbulbs Waterloo Local Dynamic Programming 15 19.3% 15
WC '02 P10 - The Final Battle Woburn Challenge Dynamic Programming 10 23.5% 19