Problems
| Problem | Category | Types | Points | AC % | Users | |
|---|---|---|---|---|---|---|
| IOI '17 P5 - Simurgh | IOI | Graph Theory | 40p | 12.7% | 18 | |
| IOI '17 P6 - Ancient Books | IOI | Ad Hoc | 25p | 11.5% | 32 | |
| IOI '18 P1 - Combo | IOI | Interactive | 15p | 15.5% | 192 | |
| IOI '18 P2 - Seats | IOI | Data Structures | 40p | 10.2% | 10 | |
| IOI '18 P3 - Werewolf | IOI | Ad Hoc | 30p | 23.2% | 58 | |
| IOI '18 P4 - Mechanical Doll | IOI | Ad Hoc, Graph Theory | 20p | 22.5% | 15 | |
| IOI '18 P5 - Highway Tolls | IOI | Graph Theory, Interactive | 30p | 11.3% | 15 | |
| IOI '18 P6 - Meetings | IOI | Data Structures | 35p | 11.9% | 10 | |
| IOI '19 P1 - Arranging Shoes | IOI | Data Structures, Greedy Algorithms | 15p | 16.6% | 150 | |
| IOI '19 P2 - Split the Attractions | IOI | Graph Theory | 40p | 4.9% | 26 | |
| IOI '19 P3 - Rectangles | IOI | Data Structures | 30p | 6.6% | 25 | |
| IOI '19 P4 - Broken Line | IOI | Ad Hoc | 35p | 2.1% | 4 | |
| IOI '19 P5 - Vision Program | IOI | Ad Hoc, Interactive | 20p | 8.2% | 37 | |
| IOI '19 P6 - Sky Walking | IOI | Graph Theory | 40p | 9.6% | 12 | |
| IOI '20 P1 - Comparing Plants | IOI | Ad Hoc, Data Structures | 40p | 6.3% | 19 | |
| IOI '20 P2 - Connecting Supertrees | IOI | Graph Theory | 15p | 13.4% | 63 | |
| IOI '20 P3 - Carnival Tickets | IOI | Ad Hoc, Greedy Algorithms | 20p | 12.0% | 42 | |
| IOI '20 P4 - Packing Biscuits | IOI | Dynamic Programming, Simple Math | 25p | 14.4% | 17 | |
| IOI '20 P5 - Counting Mushrooms | IOI | Ad Hoc, Interactive | 35p | 3.0% | 4 | |
| IOI '20 P6 - Stations | IOI | Ad Hoc, Graph Theory | 20p | 13.8% | 23 | |
| IOI '21 P1 - Distributing Candies | IOI | Data Structures | 30p | 14.0% | 32 | |
| IOI '21 P2 - Keys | IOI | Graph Theory | 25p | 9.9% | 13 | |
| IOI '21 P3 - Fountain Parks | IOI | Ad Hoc | 30p | 4.7% | 7 | |
| IOI '21 P4 - Mutating DNA | IOI | Data Structures, Greedy Algorithms | 12p | 29.9% | 83 | |
| IOI '21 P5 - Dungeons Game | IOI | Ad Hoc, Graph Theory | 30p | 6.4% | 10 | |
| IOI '21 P6 - Bit Shift Registers | IOI | Ad Hoc, Implementation, Interactive | 30p | 12.8% | 9 | |
| IOI '22 P1 - Catfish Farm | IOI | Data Structures, Dynamic Programming | 25p | 7.9% | 53 | |
| IOI '22 P2 - Prisoner Challenge | IOI | Ad Hoc | 25p | 7.6% | 25 | |
| IOI '22 P3 - Radio Towers | IOI | Data Structures | 30p | 6.7% | 16 | |
| IOI '22 P4 - Digital Circuit | IOI | Data Structures, Graph Theory | 25p | 26.4% | 32 | |
| IOI '22 P5 - Rarest Insects | IOI | Ad Hoc, Interactive | 30p | 5.5% | 25 | |
| IOI '22 P6 - Thousands Islands | IOI | Ad Hoc, Graph Theory | 30p | 3.0% | 6 | |
| IOI '23 P1 - Closing Time | IOI | Dynamic Programming, Graph Theory, Greedy Algorithms | 25p | 4.0% | 23 | |
| IOI '23 P2 - Longest Trip | IOI | Graph Theory, Interactive | 25p | 3.2% | 16 | |
| IOI '23 P3 - Soccer Stadium | IOI | Dynamic Programming | 30p | 4.5% | 14 | |
| IOI '23 P4 - Beech Tree | IOI | Data Structures, Graph Theory | 35p | 3.2% | 3 | |
| IOI '23 P5 - Overtaking | IOI | Data Structures | 25p | 5.7% | 13 | |
| IOI '23 P6 - Robot Contest | IOI | Ad Hoc | 40p | 5.8% | 4 | |
| IOI '24 P1 - Nile | IOI | Data Structures | 15p | 26.3% | 5 | |
| IOI '24 P2 - Message | IOI | Interactive | 40p | 6.5% | 2 | |
| IOI '24 P3 - Tree | IOI | Dynamic Programming, Graph Theory | 30p | 14.3% | 1 | |
| IOI '24 P4 - Hieroglyphs | IOI | Greedy Algorithms | 35p | 11.1% | 1 | |
| IOI '24 P5 - Mosaic | IOI | Data Structures | 20p | 25.0% | 3 | |
| IOI '24 P6 - Sphinx's Riddle | IOI | Graph Theory, Interactive | 25p | 10.0% | 1 | |
| IOI '94 P1 - The Triangle | IOI | Dynamic Programming | 7p | 56.5% | 1509 | |
| IOI '94 P2 - The Castle | IOI | Graph Theory, Implementation | 10 | 18.4% | 130 | |
| IOI '94 P4 - The Clocks | IOI | Implementation | 10 | 27.2% | 121 | |
| IOI '95 P1 - Packing Rectangles | IOI | Uncategorized | 15p | 44.9% | 27 | |
| IOI '95 P2 - Shopping Offers | IOI | Uncategorized | 15p | 27.5% | 42 | |
| IOI '95 P4 - Letter Game | IOI | Uncategorized | 15p | 26.9% | 33 |