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Problem Category ▾ Types Points AC % Users
SAC '22 Code Challenge 1 P4 - That Problem SAC Coding Challenge Dynamic Programming 7p 19.6% 75
SAC '22 Code Challenge 1 P5 - That Wall SAC Coding Challenge Dynamic Programming 12 26.9% 31
SAC '22 Code Challenge 3 Junior P5 - Normal Encoding SAC Coding Challenge Dynamic Programming 10p 17.8% 33
SAC '22 Code Challenge 5 Junior P5 - English Summative SAC Coding Challenge Dynamic Programming 10p 26.5% 79
OCC '19 G3 - Binary Game Olympiads School Dynamic Programming 25p 14.3% 5
OCC '19 S5 - Partitioning Olympiads School Dynamic Programming 12p 8.2% 12
Palindrome Path Olympiads School Dynamic Programming, Graph Theory 20p 12.8% 9
Magic Sequence Olympiads School Dynamic Programming 7p 64.9% 92
MWC '15 #7 P3: Blue and Green MWC Dynamic Programming 15p 14.9% 37
MWC '15 #8 P3: Draw Down MWC Dynamic Programming 12p 15.8% 14
CCO Preparation Test 2 P3 - Subsets Mock CCO Ad Hoc, Dynamic Programming 20p 16.7% 39
CCO Preparation Test 3 P2 - Packing Up Mock CCO Dynamic Programming 25p 14.9% 117
CCO Preparation Test 5 P1 - City Game Mock CCO Dynamic Programming 15 26.4% 202
CCO Preparation Test 6 P2 - An Easy Problem Mock CCO Dynamic Programming 12p 32.5% 204
Mock CCO '17 Problem 6 - Dire Consequences Mock CCO Data Structures, Dynamic Programming 20 24.2% 25
Mock CCO '18 Contest 2 Problem 1 - Victor Runs Mock CCO Dynamic Programming 15p 16.5% 44
Mock CCO '18 Contest 2 Problem 6 - Victor's Cubes Mock CCO Dynamic Programming 20p 18.3% 9
Mock CCO '18 Contest 3 Problem 5 - Roger Outsources DMOJ Work Mock CCO Dynamic Programming 15p 11.2% 8
Mock CCO '18 Contest 4 Problem 2 - Sunken Colonies Mock CCO Dynamic Programming 15p 43.5% 38
Mock CCO '18 Contest 4 Problem 5 - Spawn More Overlords Mock CCO Dynamic Programming 20p 24.8% 35
Mock CCO '19 Contest 2 Problem 6 - A Fundraising Problem Mock CCO Dynamic Programming, Graph Theory 12p 15.4% 27
Mock CCC '15 S4 - Ice Pillars Mock CCC Dynamic Programming 15p 29.0% 106
Mock CCC '18 Contest 2 J5/S3 - A Coloring Problem Mock CCC Dynamic Programming 10p 19.3% 56
Mock CCC '18 Contest 1 S5 - A Palindrome Problem Mock CCC Dynamic Programming 15p 8.5% 18
Valentine's Day '18 S3 - Carol's Cactesian Conquest Mock CCC Dynamic Programming 17p 40.6% 35
Mock CCC '19 Contest 1 J5 - Pusheen Designs a Sushi Boat Mock CCC Dynamic Programming 7p 17.1% 234
Mock CCC '19 Contest 1 S4 - Pusheen Plays Neko Atsume Mock CCC Dynamic Programming 12 17.8% 100
Riolku's Mock CCC S4 - Clumsy Cindy Mock CCC Dynamic Programming 12p 10.7% 70
Mock CCC '22 2 S5 - Kaguya Wants to go Window Shopping with Kei Shirogane Mock CCC Dynamic Programming 30p 5.5% 5
Mock CCC '22 Contest 2 J5 - Dominating the Olympics Mock CCC Dynamic Programming, Graph Theory 10 16.0% 76
Mock CCC '24 Contest 1 S5 - Mock CCC 2025 Mock CCC Dynamic Programming 20p 14.2% 18
JOI '14 Open P5 - Pinball JOI Data Structures, Dynamic Programming 25p 26.3% 91
JOI '13 Open P3 - Watching JOI Dynamic Programming 15p 29.9% 91
JOI '16 Open P3 - Skyscraper JOI Dynamic Programming 25p 41.9% 46
JOI '19 Final P3 - Collecting Stamps 3 JOI Dynamic Programming 15 25.4% 39
JOI '18 Spring Camp Day 1 P3 - Tents JOI Dynamic Programming, Intermediate Math 20p 66.0% 29
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 40.8% 24
IOI '00 P1 - Palindrome IOI Dynamic Programming 10p 18.5% 830
IOI '16 P6 - Aliens IOI Dynamic Programming 30p 7.1% 81
IOI '94 P1 - The Triangle IOI Dynamic Programming 7p 56.5% 1483
IOI '09 P4 - Raisins IOI Dynamic Programming 10p 55.4% 543
IOI '02 P4 - Batch Scheduling IOI Dynamic Programming 20p 37.6% 322
IOI '05 P6 - Rivers IOI Dynamic Programming 20p 30.0% 286
IOI '07 P4 - Miners IOI Dynamic Programming 15p 21.2% 444
IOI '09 P8 - Salesman IOI Data Structures, Dynamic Programming 25p 16.8% 133
IOI '95 Practice Task 3 - Bar Codes IOI Dynamic Programming 12p 35.4% 23
IOI '96 P1 - A Game IOI Dynamic Programming, Game Theory 10 39.2% 270
IOI '96 P5 - Longest Prefix IOI Dynamic Programming 12 20.8% 112