Problems
| Problem | Category | Types | Points | AC % | Users ▾ | |
|---|---|---|---|---|---|---|
| IOI '15 P4 - Horses (Standard I/O) | IOI | Ad Hoc | 15p | 7.6% | 162 | |
| IOI '16 P1 - Detecting Molecules | IOI | Greedy Algorithms | 12p | 11.8% | 155 | |
| IOI '13 P6 - Game (Standard I/O) | IOI | Data Structures, Intermediate Math | 17p | 8.4% | 150 | |
| IOI '10 P3 - Quality of Living | IOI | Data Structures | 15p | 27.9% | 149 | |
| IOI '96 P4 - Sorting a Three-Valued Sequence | IOI | Constructive, Greedy Algorithms | 10 | 31.9% | 142 | |
| IOI '05 P4 - Birthday | IOI | Implementation | 12p | 15.7% | 141 | |
| IOI '04 P6 - Empodia | IOI | Uncategorized | 30p | 16.9% | 140 | |
| IOI '10 P1 - Cluedo | IOI | Implementation | 5p | 36.0% | 137 | |
| IOI '10 P5 - Memory | IOI | Implementation, Interactive | 5p | 23.1% | 136 | |
| IOI '19 P1 - Arranging Shoes | IOI | Data Structures, Greedy Algorithms | 15p | 16.4% | 136 | |
| IOI '07 P2 - Flood | IOI | Graph Theory | 25p | 45.0% | 135 | |
| IOI '14 P6 - Holiday (Standard I/O) | IOI | Ad Hoc | 30p | 12.3% | 135 | |
| IOI '09 P8 - Salesman | IOI | Data Structures, Dynamic Programming | 25p | 16.8% | 133 | |
| IOI '94 P2 - The Castle | IOI | Graph Theory, Implementation | 10 | 18.8% | 127 | |
| IOI '11 P3 - Rice Hub | IOI | Greedy Algorithms, Simple Math | 15p | 18.2% | 125 | |
| IOI '03 Practice Task 1 - Balancing Act | IOI | Uncategorized | 15 | 46.6% | 125 | |
| IOI '94 P4 - The Clocks | IOI | Implementation | 10 | 27.2% | 121 | |
| IOI '07 P5 - Pairs | IOI | Data Structures | 25p | 10.1% | 117 | |
| IOI '96 P5 - Longest Prefix | IOI | Dynamic Programming | 12 | 20.8% | 112 | |
| IOI '08 P2 - Islands | IOI | Dynamic Programming, Graph Theory | 25p | 10.7% | 111 | |
| IOI '12 P2 - Parachute Rings (Standard I/O) | IOI | Graph Theory | 25p | 11.5% | 111 | |
| IOI '15 P4 - Horses | IOI | Ad Hoc | 15p | 11.4% | 102 | |
| IOI '14 P4 - Gondola | IOI | Ad Hoc | 15p | 11.1% | 99 | |
| IOI '14 P5 - Friend | IOI | Ad Hoc | 30p | 26.2% | 99 | |
| IOI '15 P1 - Boxes with Souvenirs | IOI | Ad Hoc | 15p | 13.4% | 98 | |
| IOI '10 P6 - Traffic Congestion | IOI | Graph Theory | 10p | 18.2% | 94 | |
| IOI '11 P5 - Dancing Elephants (Standard I/O) | IOI | Data Structures | 20p | 10.6% | 93 | |
| IOI '02 P2 - Utopia Divided | IOI | Uncategorized | 20p | 24.5% | 91 | |
| IOI '13 P5 - Robots | IOI | Ad Hoc | 20p | 18.3% | 90 | |
| IOI '13 P2 - Art Class (Standard I/O) | IOI | Ad Hoc | 20p | 2.7% | 90 | |
| IOI '11 P4 - Crocodile's Underground City | IOI | Graph Theory | 17p | 28.4% | 87 | |
| IOI '14 P6 - Holiday | IOI | Ad Hoc | 30p | 15.9% | 84 | |
| IOI '96 P3 - Network of Schools | IOI | Graph Theory | 12p | 23.7% | 83 | |
| IOI '12 P3 - Crayfish Scrivener | IOI | Data Structures | 15p | 31.0% | 82 | |
| IOI '16 P6 - Aliens | IOI | Dynamic Programming | 30p | 7.1% | 81 | |
| IOI '13 P6 - Game | IOI | Data Structures | 25p | 9.3% | 80 | |
| IOI '02 P1 - The Troublesome Frog | IOI | Uncategorized | 15p | 16.5% | 78 | |
| IOI '21 P4 - Mutating DNA | IOI | Data Structures, Greedy Algorithms | 12p | 28.9% | 75 | |
| IOI '09 Practice Task 3 - Museum | IOI | Uncategorized | 15p | 48.5% | 72 | |
| IOI '15 P5 - Sorting | IOI | Ad Hoc | 25p | 21.8% | 71 | |
| IOI '04 P1 - Artemis | IOI | Uncategorized | 15p | 6.9% | 68 | |
| IOI '07 P6 - Training | IOI | Dynamic Programming, Graph Theory | 40p | 27.9% | 67 | |
| IOI '16 P5 - Unscrambling a Messy Bug | IOI | Divide and Conquer, Interactive | 20p | 17.7% | 65 | |
| IOI '01 P3 - Twofive | IOI | Ad Hoc | 25p | 16.8% | 64 | |
| IOI '03 P6 - Seeing the Boundary | IOI | Geometry | 20p | 16.1% | 63 | |
| IOI '08 P3 - Fish | IOI | Uncategorized | 35p | 9.9% | 63 | |
| IOI '16 P4 - Paint by Numbers (Standard I/O) | IOI | Ad Hoc | 15p | 10.0% | 63 | |
| IOI '16 P6 - Aliens (Standard I/O) | IOI | Dynamic Programming | 30p | 6.1% | 63 | |
| IOI '98 P6 - Polygon | IOI | Dynamic Programming | 15 | 32.0% | 61 | |
| IOI '13 P3 - Wombats (Standard I/O) | IOI | Data Structures, Graph Theory | 40p | 9.5% | 60 |