Problems
| Problem | Category | Types | Points | AC % ▾ | Users | |
|---|---|---|---|---|---|---|
| IOI '07 P5 - Pairs | IOI | Data Structures | 25p | 10.1% | 117 | |
| IOI '16 P4 - Paint by Numbers (Standard I/O) | IOI | Ad Hoc | 15p | 10.0% | 63 | |
| IOI '08 P3 - Fish | IOI | Uncategorized | 35p | 9.9% | 63 | |
| IOI '19 P6 - Sky Walking | IOI | Graph Theory | 40p | 9.6% | 12 | |
| IOI '13 P3 - Wombats (Standard I/O) | IOI | Data Structures, Graph Theory | 40p | 9.5% | 60 | |
| IOI '13 P6 - Game | IOI | Data Structures | 25p | 9.3% | 80 | |
| IOI '16 P3 - Shortcut | IOI | Graph Theory | 40p | 9.0% | 15 | |
| IOI '98 P1 - Contact | IOI | Data Structures | 10p | 8.9% | 58 | |
| IOI '15 P3 - Teams | IOI | Ad Hoc | 35p | 8.8% | 34 | |
| IOI '14 P4 - Gondola (Standard I/O) | IOI | Ad Hoc | 15 | 8.5% | 222 | |
| IOI '13 P6 - Game (Standard I/O) | IOI | Data Structures, Intermediate Math | 17p | 8.4% | 150 | |
| IOI '15 P1 - Boxes with Souvenirs (Standard I/O) | IOI | Ad Hoc | 15p | 8.2% | 189 | |
| IOI '19 P5 - Vision Program | IOI | Ad Hoc, Interactive | 20p | 8.2% | 33 | |
| IOI '22 P2 - Prisoner Challenge | IOI | Ad Hoc | 25p | 8.2% | 25 | |
| IOI '04 P2 - Hermes (Hard) | IOI | Data Structures | 20p | 8.1% | 9 | |
| IOI '22 P1 - Catfish Farm | IOI | Data Structures, Dynamic Programming | 25p | 8.1% | 44 | |
| IOI '21 P5 - Dungeons Game | IOI | Ad Hoc, Graph Theory | 30p | 8.1% | 9 | |
| IOI '15 P4 - Horses (Standard I/O) | IOI | Ad Hoc | 15p | 7.6% | 162 | |
| IOI '22 P3 - Radio Towers | IOI | Data Structures | 30p | 7.2% | 15 | |
| IOI '16 P6 - Aliens | IOI | Dynamic Programming | 30p | 7.1% | 81 | |
| IOI '19 P3 - Rectangles | IOI | Data Structures | 30p | 6.9% | 25 | |
| IOI '04 P1 - Artemis | IOI | Uncategorized | 15p | 6.9% | 68 | |
| IOI '15 P2 - Scales | IOI | Ad Hoc | 25p | 6.7% | 24 | |
| IOI '00 P6 - Building with Blocks | IOI | Uncategorized | 20p | 6.6% | 7 | |
| IOI '20 P1 - Comparing Plants | IOI | Ad Hoc, Data Structures | 40p | 6.4% | 17 | |
| IOI '23 P5 - Overtaking | IOI | Data Structures | 25p | 6.1% | 11 | |
| IOI '16 P6 - Aliens (Standard I/O) | IOI | Dynamic Programming | 30p | 6.1% | 63 | |
| IOI '22 P5 - Rarest Insects | IOI | Ad Hoc, Interactive | 30p | 5.3% | 22 | |
| IOI '19 P2 - Split the Attractions | IOI | Graph Theory | 40p | 5.1% | 26 | |
| IOI '23 P4 - Beech Tree | IOI | Data Structures, Graph Theory | 35p | 4.9% | 3 | |
| IOI '21 P3 - Fountain Parks | IOI | Ad Hoc | 30p | 4.8% | 7 | |
| IOI '23 P3 - Soccer Stadium | IOI | Dynamic Programming | 30p | 4.7% | 12 | |
| IOI '23 P1 - Closing Time | IOI | Dynamic Programming, Graph Theory, Greedy Algorithms | 25p | 4.5% | 20 | |
| IOI '11 P6 - Parrots | IOI | Ad Hoc, Interactive | 20p | 3.6% | 16 | |
| IOI '23 P6 - Robot Contest | IOI | Ad Hoc | 40p | 3.4% | 2 | |
| IOI '15 P3 - Teams (Standard I/O) | IOI | Ad Hoc | 35p | 3.4% | 37 | |
| IOI '04 P3 - Polygon | IOI | Geometry | 20p | 3.1% | 1 | |
| IOI '22 P6 - Thousands Islands | IOI | Ad Hoc, Graph Theory | 30p | 3.1% | 6 | |
| IOI '23 P2 - Longest Trip | IOI | Graph Theory, Interactive | 25p | 3.1% | 13 | |
| IOI '12 P1 - Pebbling Odometer | IOI | Ad Hoc, Implementation | 30p | 2.9% | 4 | |
| IOI '13 P2 - Art Class (Standard I/O) | IOI | Ad Hoc | 20p | 2.7% | 90 | |
| IOI '20 P5 - Counting Mushrooms | IOI | Ad Hoc, Interactive | 35p | 2.5% | 3 | |
| IOI '19 P4 - Broken Line | IOI | Ad Hoc | 35p | 2.3% | 4 | |
| IOI '16 P3 - Shortcut (Standard I/O) | IOI | Graph Theory | 40p | 1.8% | 7 | |
| IOI '10 P2 - Hotter Colder | IOI | Interactive | 20 | 0.5% | 3 | |
| IOI '17 P1 - Nowruz | IOI | Graph Theory | 20p | 0.0% | 0 | |
| IOI '10 P7 - Maze | IOI | Graph Theory | 25p | 0.0% | 0 |