Problems
| Problem | Category | Types | Points ▾ | AC % | Users | |
|---|---|---|---|---|---|---|
| IOI '01 P3 - Twofive | IOI | Ad Hoc | 25p | 16.8% | 64 | |
| IOI '13 P6 - Game | IOI | Data Structures | 25p | 9.3% | 80 | |
| IOI '12 P2 - Parachute Rings | IOI | Graph Theory | 25p | 15.3% | 24 | |
| IOI '17 P2 - Wiring | IOI | Ad Hoc | 25p | 15.5% | 56 | |
| IOI '17 P6 - Ancient Books | IOI | Ad Hoc | 25p | 11.4% | 30 | |
| IOI '10 P7 - Maze | IOI | Graph Theory | 25p | 0.0% | 0 | |
| IOI '11 P1 - Tropical Garden | IOI | Graph Theory | 25p | 15.3% | 38 | |
| IOI '08 P4 - Teleporters | IOI | Graph Theory, Greedy Algorithms | 25p | 30.2% | 13 | |
| IOI '09 P8 - Salesman | IOI | Data Structures, Dynamic Programming | 25p | 16.8% | 133 | |
| IOI '03 P2 - Comparing Code | IOI | Uncategorized | 25p | 17.6% | 32 | |
| IOI '08 P2 - Islands | IOI | Dynamic Programming, Graph Theory | 25p | 10.7% | 111 | |
| IOI '07 P3 - Sails | IOI | Data Structures | 25p | 21.4% | 210 | |
| IOI '07 P5 - Pairs | IOI | Data Structures | 25p | 10.1% | 117 | |
| IOI '12 P4 - Ideal City (Standard I/O) | IOI | Graph Theory | 25p | 46.7% | 6 | |
| IOI '07 P2 - Flood | IOI | Graph Theory | 25p | 45.0% | 135 | |
| IOI '11 P1 - Tropical Garden (Standard I/O) | IOI | Graph Theory | 25p | 11.8% | 167 | |
| IOI '12 P2 - Parachute Rings (Standard I/O) | IOI | Graph Theory | 25p | 11.5% | 111 | |
| IOI '15 P5 - Sorting (Standard I/O) | IOI | Ad Hoc | 25p | 18.6% | 186 | |
| IOI '20 P4 - Packing Biscuits | IOI | Dynamic Programming, Simple Math | 25p | 13.4% | 15 | |
| IOI '21 P2 - Keys | IOI | Graph Theory | 25p | 10.9% | 14 | |
| IOI '12 P4 - Ideal City | IOI | Graph Theory | 25p | 27.7% | 12 | |
| 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 P4 - Digital Circuit | IOI | Data Structures, Graph Theory | 25p | 25.2% | 25 | |
| 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 P5 - Overtaking | IOI | Data Structures | 25p | 6.1% | 11 | |
| IOI '14 P3 - Game | IOI | Graph Theory | 20p | 27.8% | 217 | |
| IOI '14 P2 - Wall | IOI | Data Structures | 20p | 24.7% | 211 | |
| IOI '13 P5 - Robots | IOI | Ad Hoc | 20p | 18.3% | 90 | |
| IOI '97 P1 - Mars Explorer | IOI | Graph Theory | 20p | 12.8% | 16 | |
| IOI '16 P5 - Unscrambling a Messy Bug | IOI | Divide and Conquer, Interactive | 20p | 17.7% | 65 | |
| IOI '02 P4 - Batch Scheduling | IOI | Dynamic Programming | 20p | 37.6% | 322 | |
| IOI '17 P1 - Nowruz | IOI | Graph Theory | 20p | 0.0% | 0 | |
| IOI '17 P4 - The Big Prize | IOI | Interactive | 20p | 10.5% | 57 | |
| IOI '10 P2 - Hotter Colder | IOI | Interactive | 20 | 0.5% | 3 | |
| IOI '05 P6 - Rivers | IOI | Dynamic Programming | 20p | 30.0% | 286 | |
| IOI '11 P6 - Parrots | IOI | Ad Hoc, Interactive | 20p | 3.6% | 16 | |
| IOI '09 P7 - Regions | IOI | Graph Theory, Interactive | 20p | 11.8% | 55 | |
| IOI '05 P3 - Mountain | IOI | Data Structures | 20p | 13.4% | 299 | |
| IOI '19 P5 - Vision Program | IOI | Ad Hoc, Interactive | 20p | 8.2% | 33 | |
| IOI '96 P2 - Job Processing | IOI | Uncategorized | 20p | 29.5% | 53 | |
| IOI '97 P4 - Map Labelling | IOI | Uncategorized | 20p | 53.2% | 3 | |
| IOI '97 P3 - The Toxic iShongololo | IOI | Uncategorized | 20p | 47.5% | 7 | |
| IOI '99 P2 - Hidden Codes | IOI | Uncategorized | 20p | 14.4% | 10 | |
| IOI '99 P6 - A Strip of Land | IOI | Uncategorized | 20p | 13.4% | 34 | |
| IOI '00 P6 - Building with Blocks | IOI | Uncategorized | 20p | 6.6% | 7 | |
| IOI '03 P6 - Seeing the Boundary | IOI | Geometry | 20p | 16.1% | 63 | |
| IOI '03 P5 - Amazing Robots | IOI | Uncategorized | 20 | 11.4% | 38 | |
| IOI '05 P1 - Garden | IOI | Dynamic Programming | 20p | 21.7% | 252 |