Problems
| Problem | Category ▴ | Types | Points | AC % | Users | |
|---|---|---|---|---|---|---|
| IOI '14 P1 - Rail | IOI | Interactive | 30p | 10.7% | 49 | |
| IOI '14 P3 - Game | IOI | Graph Theory | 20p | 27.8% | 217 | |
| IOI '13 P4 - Cave | IOI | Divide and Conquer, Interactive | 10p | 18.6% | 311 | |
| 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 '13 P5 - Robots | IOI | Ad Hoc | 20p | 18.3% | 90 | |
| IOI '97 P1 - Mars Explorer | IOI | Graph Theory | 20p | 12.8% | 16 | |
| IOI '13 P1 - Dreaming | IOI | Graph Theory | 15p | 22.9% | 229 | |
| IOI '13 P3 - Wombats | IOI | Data Structures, Graph Theory | 40p | 13.2% | 38 | |
| IOI '01 P1 - Mobile Phones | IOI | Data Structures | 15p | 27.4% | 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 | |
| IOI '16 P4 - Paint by Numbers | IOI | Ad Hoc | 15p | 12.4% | 54 | |
| IOI '16 P5 - Unscrambling a Messy Bug | IOI | Divide and Conquer, Interactive | 20p | 17.7% | 65 | |
| IOI '16 P6 - Aliens | IOI | Dynamic Programming | 30p | 7.1% | 81 | |
| IOI '94 P1 - The Triangle | IOI | Dynamic Programming | 7p | 56.5% | 1484 | |
| IOI '13 P6 - Game | IOI | Data Structures | 25p | 9.3% | 80 | |
| IOI '01 P2 - Ioiwari Game | IOI | Game Theory | 12p | 34.5% | 7 | |
| IOI '12 P3 - Crayfish Scrivener | IOI | Data Structures | 15p | 31.0% | 82 | |
| IOI '12 P2 - Parachute Rings | IOI | Graph Theory | 25p | 15.3% | 24 | |
| IOI '09 P4 - Raisins | IOI | Dynamic Programming | 10p | 55.4% | 543 | |
| 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 P2 - Wiring | IOI | Ad Hoc | 25p | 15.5% | 56 | |
| IOI '17 P3 - Toy Train | IOI | Ad Hoc | 30p | 17.3% | 40 | |
| IOI '17 P4 - The Big Prize | IOI | Interactive | 20p | 10.5% | 57 | |
| IOI '17 P5 - Simurgh | IOI | Graph Theory | 40p | 12.1% | 16 | |
| IOI '17 P6 - Ancient Books | IOI | Ad Hoc | 25p | 11.4% | 30 | |
| IOI '10 P1 - Cluedo | IOI | Implementation | 5p | 36.0% | 137 | |
| IOI '10 P2 - Hotter Colder | IOI | Interactive | 20 | 0.5% | 3 | |
| IOI '10 P6 - Traffic Congestion | IOI | Graph Theory | 10p | 18.2% | 94 | |
| IOI '10 P7 - Maze | IOI | Graph Theory | 25p | 0.0% | 0 | |
| IOI '11 P2 - Race | IOI | Graph Theory | 17p | 18.6% | 212 | |
| IOI '11 P5 - Dancing Elephants | IOI | Data Structures | 40p | 10.3% | 41 | |
| IOI '11 P3 - Rice Hub | IOI | Greedy Algorithms, Simple Math | 15p | 18.2% | 125 |