Problems
| Problem | Category | Types | Points | AC % | ▴ | Users |
|---|---|---|---|---|---|---|
| IOI '95 P5 - Street Race | IOI | Uncategorized | 15p | 24.1% | 39 | |
| IOI '95 P1 - Packing Rectangles | IOI | Uncategorized | 15p | 45.3% | 26 | |
| IOI '96 P3 - Network of Schools | IOI | Graph Theory | 12p | 23.7% | 83 | |
| IOI '96 P4 - Sorting a Three-Valued Sequence | IOI | Constructive, Greedy Algorithms | 10 | 31.9% | 142 | |
| IOI '96 P2 - Job Processing | IOI | Uncategorized | 20p | 29.5% | 53 | |
| 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 | |
| IOI '97 P4 - Map Labelling | IOI | Uncategorized | 20p | 53.2% | 3 | |
| IOI '97 P3 - The Toxic iShongololo | IOI | Uncategorized | 20p | 47.5% | 7 | |
| IOI '98 P6 - Polygon | IOI | Dynamic Programming | 15 | 32.0% | 61 | |
| IOI '98 P5 - Camelot | IOI | Uncategorized | 15p | 40.6% | 51 | |
| IOI '98 P2 - Starry Night | IOI | Uncategorized | 15 | 41.3% | 28 | |
| IOI '98 P3 - Party Lamps | IOI | Ad Hoc | 12p | 34.0% | 168 | |
| IOI '00 P4 - Walls | IOI | Graph Theory | 12 | 36.2% | 228 | |
| IOI '00 P5 - Post Office | IOI | Dynamic Programming | 15p | 40.6% | 183 | |
| IOI '00 P2 - Car Parking | IOI | Uncategorized | 15p | 17.7% | 53 | |
| IOI '00 P6 - Building with Blocks | IOI | Uncategorized | 20p | 6.6% | 7 | |
| IOI '02 P1 - The Troublesome Frog | IOI | Uncategorized | 15p | 16.5% | 78 | |
| IOI '02 P5 - Bus Terminals | IOI | Ad Hoc | 30p | 14.8% | 53 | |
| IOI '04 P5 - Farmer | IOI | Uncategorized | 15p | 13.3% | 210 | |
| IOI '05 P1 - Garden | IOI | Dynamic Programming | 20p | 21.7% | 252 | |
| IOI '05 Practice Task 3 - Polish Flag | IOI | Uncategorized | 20p | 10.6% | 4 | |
| IOI '04 P6 - Empodia | IOI | Uncategorized | 30p | 16.9% | 140 | |
| IOI '04 P4 - Phidias | IOI | Dynamic Programming | 10p | 53.6% | 889 | |
| IOI '01 P6 - Depot | IOI | Uncategorized | 30p | 12.1% | 39 | |
| IOI '04 P1 - Artemis | IOI | Uncategorized | 15p | 6.9% | 68 | |
| IOI '04 P2 - Hermes | IOI | Uncategorized | 15p | 23.5% | 188 | |
| IOI '02 P2 - Utopia Divided | IOI | Uncategorized | 20p | 24.5% | 91 | |
| IOI '06 P2 - Pyramid | IOI | Data Structures | 17p | 22.5% | 218 | |
| IOI '14 Practice Task 2 - Station | IOI | Greedy Algorithms | 7p | 57.9% | 50 | |
| IOI '14 Practice Task 3 - Tile | IOI | Divide and Conquer | 10p | 28.0% | 55 | |
| IOI '07 P6 - Training | IOI | Dynamic Programming, Graph Theory | 40p | 27.9% | 67 | |
| IOI '08 P2 - Islands | IOI | Dynamic Programming, Graph Theory | 25p | 10.7% | 111 | |
| IOI '14 Practice Task 1 - Square | IOI | Dynamic Programming | 10p | 51.6% | 182 | |
| IOI '08 P1 - Type Printer | IOI | String Algorithms | 12p | 20.0% | 409 | |
| IOI '07 P3 - Sails | IOI | Data Structures | 25p | 21.4% | 210 | |
| IOI '06 P1 - Deciphering the Mayan Writing | IOI | String Algorithms | 7p | 39.5% | 433 | |
| IOI '08 P3 - Fish | IOI | Uncategorized | 35p | 9.9% | 63 | |
| IOI '07 P5 - Pairs | IOI | Data Structures | 25p | 10.1% | 117 | |
| IOI '06 P4 - The Valley of Mexico | IOI | Dynamic Programming | 15p | 22.0% | 214 | |
| IOI '09 P1 - Archery | IOI | Ad Hoc, Simulation | 45p | 13.4% | 37 | |
| IOI '07 P2 - Flood | IOI | Graph Theory | 25p | 45.0% | 135 | |
| IOI '18 P5 - Highway Tolls | IOI | Graph Theory, Interactive | 30p | 11.7% | 14 | |
| IOI '18 P4 - Mechanical Doll | IOI | Ad Hoc, Graph Theory | 20p | 22.6% | 13 | |
| IOI '12 P4 - Ideal City | IOI | Graph Theory | 25p | 27.7% | 12 | |
| IOI '12 P6 - Jousting Tournament | IOI | Data Structures | 17p | 16.4% | 16 | |
| IOI '12 P5 - Last Supper | IOI | Ad Hoc, Interactive | 30p | 21.9% | 6 |