Problems
| Problem | Category | Types | Points ▾ | AC % | Users | |
|---|---|---|---|---|---|---|
| IOI '09 P1 - Archery | IOI | Ad Hoc, Simulation | 45p | 13.4% | 37 | |
| IOI '15 P6 - Towns | IOI | Ad Hoc, Graph Theory | 40p | 15.5% | 59 | |
| IOI '13 P3 - Wombats | IOI | Data Structures, Graph Theory | 40p | 13.2% | 38 | |
| IOI '16 P3 - Shortcut | IOI | Graph Theory | 40p | 9.0% | 15 | |
| IOI '17 P5 - Simurgh | IOI | Graph Theory | 40p | 12.1% | 16 | |
| IOI '11 P5 - Dancing Elephants | IOI | Data Structures | 40p | 10.3% | 41 | |
| IOI '18 P2 - Seats | IOI | Data Structures | 40p | 25.0% | 7 | |
| IOI '08 P6 - Pyramid Base | IOI | Data Structures, Divide and Conquer | 40p | 12.5% | 7 | |
| IOI '19 P2 - Split the Attractions | IOI | Graph Theory | 40p | 5.1% | 26 | |
| IOI '19 P6 - Sky Walking | IOI | Graph Theory | 40p | 9.6% | 12 | |
| IOI '07 P6 - Training | IOI | Dynamic Programming, Graph Theory | 40p | 27.9% | 67 | |
| IOI '13 P3 - Wombats (Standard I/O) | IOI | Data Structures, Graph Theory | 40p | 9.5% | 60 | |
| IOI '16 P3 - Shortcut (Standard I/O) | IOI | Graph Theory | 40p | 1.8% | 7 | |
| IOI '20 P1 - Comparing Plants | IOI | Ad Hoc, Data Structures | 40p | 6.4% | 17 | |
| IOI '23 P6 - Robot Contest | IOI | Ad Hoc | 40p | 3.4% | 2 | |
| IOI '15 P3 - Teams | IOI | Ad Hoc | 35p | 8.8% | 34 | |
| IOI '16 P2 - Roller Coaster Railroad | IOI | Ad Hoc, Graph Theory | 35p | 43.7% | 36 | |
| IOI '18 P6 - Meetings | IOI | Data Structures | 35p | 12.0% | 10 | |
| IOI '19 P4 - Broken Line | IOI | Ad Hoc | 35p | 2.3% | 4 | |
| IOI '08 P3 - Fish | IOI | Uncategorized | 35p | 9.9% | 63 | |
| IOI '15 P3 - Teams (Standard I/O) | IOI | Ad Hoc | 35p | 3.4% | 37 | |
| IOI '16 P2 - Roller Coaster Railroad (Standard I/O) | IOI | Ad Hoc, Graph Theory | 35p | 12.9% | 26 | |
| IOI '20 P5 - Counting Mushrooms | IOI | Ad Hoc, Interactive | 35p | 2.5% | 3 | |
| IOI '23 P4 - Beech Tree | IOI | Data Structures, Graph Theory | 35p | 4.9% | 3 | |
| IOI '14 P1 - Rail | IOI | Interactive | 30p | 10.7% | 49 | |
| IOI '14 P5 - Friend | IOI | Ad Hoc | 30p | 26.2% | 99 | |
| IOI '14 P6 - Holiday | IOI | Ad Hoc | 30p | 15.9% | 84 | |
| IOI '16 P6 - Aliens | IOI | Dynamic Programming | 30p | 7.1% | 81 | |
| IOI '17 P3 - Toy Train | IOI | Ad Hoc | 30p | 17.3% | 40 | |
| IOI '18 P3 - Werewolf | IOI | Ad Hoc | 30p | 24.0% | 57 | |
| IOI '19 P3 - Rectangles | IOI | Data Structures | 30p | 6.9% | 25 | |
| IOI '02 P5 - Bus Terminals | IOI | Ad Hoc | 30p | 14.8% | 53 | |
| IOI '04 P6 - Empodia | IOI | Uncategorized | 30p | 16.9% | 140 | |
| IOI '01 P6 - Depot | IOI | Uncategorized | 30p | 12.1% | 39 | |
| IOI '12 P1 - Pebbling Odometer | IOI | Ad Hoc, Implementation | 30p | 2.9% | 4 | |
| IOI '14 P5 - Friend (Standard I/O) | IOI | Ad Hoc | 30p | 18.2% | 189 | |
| IOI '14 P6 - Holiday (Standard I/O) | IOI | Ad Hoc | 30p | 12.3% | 135 | |
| IOI '16 P6 - Aliens (Standard I/O) | IOI | Dynamic Programming | 30p | 6.1% | 63 | |
| IOI '21 P1 - Distributing Candies | IOI | Data Structures | 30p | 13.4% | 29 | |
| IOI '21 P3 - Fountain Parks | IOI | Ad Hoc | 30p | 4.8% | 7 | |
| IOI '21 P5 - Dungeons Game | IOI | Ad Hoc, Graph Theory | 30p | 8.1% | 9 | |
| IOI '21 P6 - Bit Shift Registers | IOI | Ad Hoc, Implementation, Interactive | 30p | 13.8% | 8 | |
| IOI '18 P5 - Highway Tolls | IOI | Graph Theory, Interactive | 30p | 11.7% | 14 | |
| IOI '12 P5 - Last Supper | IOI | Ad Hoc, Interactive | 30p | 21.9% | 6 | |
| IOI '22 P3 - Radio Towers | IOI | Data Structures | 30p | 7.2% | 15 | |
| IOI '22 P6 - Thousands Islands | IOI | Ad Hoc, Graph Theory | 30p | 3.1% | 6 | |
| IOI '22 P5 - Rarest Insects | IOI | Ad Hoc, Interactive | 30p | 5.3% | 22 | |
| IOI '23 P3 - Soccer Stadium | IOI | Dynamic Programming | 30p | 4.7% | 12 | |
| IOI '15 P2 - Scales | IOI | Ad Hoc | 25p | 6.7% | 24 | |
| IOI '15 P5 - Sorting | IOI | Ad Hoc | 25p | 21.8% | 71 |