Problems
| Problem | Category | Types | Points | AC % | ▴ | Users |
|---|---|---|---|---|---|---|
| IOI '10 P6 - Traffic Congestion (Standard I/O) | IOI | Graph Theory | 10p | 33.0% | 416 | |
| IOI '10 P3 - Quality of Living (Standard I/O) | IOI | Data Structures | 15p | 28.1% | 338 | |
| IOI '20 P2 - Connecting Supertrees | IOI | Graph Theory | 15p | 13.8% | 54 | |
| IOI '20 P3 - Carnival Tickets | IOI | Ad Hoc, Greedy Algorithms | 20p | 11.8% | 37 | |
| IOI '20 P1 - Comparing Plants | IOI | Ad Hoc, Data Structures | 40p | 6.4% | 17 | |
| IOI '20 P4 - Packing Biscuits | IOI | Dynamic Programming, Simple Math | 25p | 13.4% | 15 | |
| IOI '20 P5 - Counting Mushrooms | IOI | Ad Hoc, Interactive | 35p | 2.5% | 3 | |
| IOI '20 P6 - Stations | IOI | Ad Hoc, Graph Theory | 20p | 14.5% | 22 | |
| IOI '21 P1 - Distributing Candies | IOI | Data Structures | 30p | 13.4% | 29 | |
| IOI '21 P2 - Keys | IOI | Graph Theory | 25p | 10.9% | 14 | |
| IOI '21 P3 - Fountain Parks | IOI | Ad Hoc | 30p | 4.8% | 7 | |
| IOI '21 P4 - Mutating DNA | IOI | Data Structures, Greedy Algorithms | 12p | 28.9% | 75 | |
| 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 '22 P3 - Radio Towers | IOI | Data Structures | 30p | 7.2% | 15 | |
| IOI '22 P1 - Catfish Farm | IOI | Data Structures, Dynamic Programming | 25p | 8.1% | 44 | |
| IOI '22 P2 - Prisoner Challenge | IOI | Ad Hoc | 25p | 8.2% | 25 | |
| IOI '22 P6 - Thousands Islands | IOI | Ad Hoc, Graph Theory | 30p | 3.1% | 6 | |
| IOI '22 P4 - Digital Circuit | IOI | Data Structures, Graph Theory | 25p | 25.2% | 25 | |
| IOI '22 P5 - Rarest Insects | IOI | Ad Hoc, Interactive | 30p | 5.3% | 22 | |
| IOI '04 P3 - Polygon | IOI | Geometry | 20p | 3.1% | 1 | |
| IOI '23 P1 - Closing Time | IOI | Dynamic Programming, Graph Theory, Greedy Algorithms | 25p | 4.5% | 20 | |
| IOI '23 P2 - Longest Trip | IOI | Graph Theory, Interactive | 25p | 3.1% | 13 | |
| IOI '23 P3 - Soccer Stadium | IOI | Dynamic Programming | 30p | 4.7% | 12 | |
| IOI '23 P4 - Beech Tree | IOI | Data Structures, Graph Theory | 35p | 4.9% | 3 | |
| IOI '23 P5 - Overtaking | IOI | Data Structures | 25p | 6.1% | 11 | |
| IOI '23 P6 - Robot Contest | IOI | Ad Hoc | 40p | 3.4% | 2 | |
| IOI '14 P1 - Rail | IOI | Interactive | 30p | 10.7% | 49 | |
| IOI '14 P3 - Game | IOI | Graph Theory | 20p | 27.8% | 217 | |
| IOI '10 P5 - Memory | IOI | Implementation, Interactive | 5p | 23.1% | 136 | |
| IOI '10 P3 - Quality of Living | IOI | Data Structures | 15p | 27.9% | 149 | |
| IOI '15 P1 - Boxes with Souvenirs | IOI | Ad Hoc | 15p | 13.4% | 98 | |
| IOI '15 P2 - Scales | IOI | Ad Hoc | 25p | 6.7% | 24 | |
| IOI '15 P3 - Teams | IOI | Ad Hoc | 35p | 8.8% | 34 | |
| IOI '15 P4 - Horses | IOI | Ad Hoc | 15p | 11.4% | 102 | |
| IOI '15 P5 - Sorting | IOI | Ad Hoc | 25p | 21.8% | 71 | |
| IOI '15 P6 - Towns | IOI | Ad Hoc, Graph Theory | 40p | 15.5% | 59 | |
| IOI '14 P2 - Wall | IOI | Data Structures | 20p | 24.7% | 211 | |
| IOI '14 P4 - Gondola | IOI | Ad Hoc | 15p | 11.1% | 99 | |
| IOI '14 P5 - Friend | IOI | Ad Hoc | 30p | 26.2% | 99 | |
| IOI '14 P6 - Holiday | IOI | Ad Hoc | 30p | 15.9% | 84 | |
| IOI '97 P1 - Mars Explorer | IOI | Graph Theory | 20p | 12.8% | 16 | |
| IOI '01 P1 - Mobile Phones | IOI | Data Structures | 15p | 27.5% | 704 | |
| IOI '01 P3 - Twofive | IOI | Ad Hoc | 25p | 16.8% | 64 | |
| IOI '98 P4 - Picture | IOI | Geometry | 15p | 30.9% | 225 | |
| IOI '98 P1 - Contact | IOI | Data Structures | 10p | 8.9% | 58 | |
| IOI '16 P1 - Detecting Molecules | IOI | Greedy Algorithms | 12p | 11.8% | 155 | |
| IOI '16 P2 - Roller Coaster Railroad | IOI | Ad Hoc, Graph Theory | 35p | 43.7% | 36 | |
| IOI '00 P1 - Palindrome | IOI | Dynamic Programming | 10p | 18.5% | 830 | |
| IOI '16 P3 - Shortcut | IOI | Graph Theory | 40p | 9.0% | 15 |