Problems
Problem search
| Problem | Category | Points | AC % | Users |
|---|---|---|---|---|
| Easy splitting | Uncategorized | 100p | 1.7% | 3 |
| Omar and Circles | Uncategorized | 100p | 13.8% | 16 |
| Contest strategy | Uncategorized | 100p | 8.2% | 18 |
| Xor Sort | Uncategorized | 100p | 11.6% | 2 |
| Fun Tour | Uncategorized | 100p | 5.3% | 1 |
| Painting Walls | Uncategorized | 100p | 6.3% | 2 |
| Swapping cities | Uncategorized | 100p | 4.2% | 1 |
| Hexagonal Territory | ioi | 100p | 25.0% | 1 |
| Rainforest Jumps | ioi | 100p | 8.3% | 2 |
| Road Closures | ioi | 100p | 5.9% | 1 |
| A Plus B | Uncategorized | 5p | 26.2% | 661 |
| Going to FlatLand | Uncategorized | 35 | 7.5% | 21 |
| Merge them up | Interview questions | 30 | 11.6% | 115 |
| Coin change | Educative | 15 | 29.6% | 69 |
| Count paths | Educative | 15 | 13.0% | 55 |
| Fibonacci queries | Educative | 15 | 6.1% | 91 |
| Maximum subarray | Educative | 15 | 26.6% | 134 |
| Knapsack | Educative | 15 | 15.7% | 28 |
| Longest Increasing Subsequence | Educative | 15 | 27.4% | 70 |
| Constructing tetrahedrons | Uncategorized | 25p | 15.5% | 33 |
| Find components | Uncategorized | 30p | 14.9% | 11 |
| Azuz's Anagram | Uncategorized | 10 | 14.6% | 145 |
| High school mathematics | Uncategorized | 30 | 12.9% | 91 |
| Houda and Weird Auction | Uncategorized | 25 | 16.4% | 21 |
| Houda Playing Pocker | Uncategorized | 20 | 22.6% | 87 |
| Last Digit! | Uncategorized | 10 | 16.9% | 301 |
| Oola and the Rabbits | Uncategorized | 25 | 17.8% | 25 |
| Rotten Berries | Uncategorized | 25 | 27.2% | 42 |
| Stable Zeroing | Uncategorized | 20 | 21.8% | 165 |
| Tree Puzzle | Uncategorized | 25 | 43.4% | 41 |
| Unique SubString | Uncategorized | 30 | 15.3% | 20 |
| 24/7 cafe | Uncategorized | 25 | 14.0% | 12 |
| Diaa was Live! | Uncategorized | 25 | 8.7% | 114 |
| Corona Virus Alert | Uncategorized | 5 | 31.3% | 382 |
| Corona Virus Spread | Uncategorized | 15 | 24.2% | 151 |
| Covid Statistics | Uncategorized | 25 | 11.9% | 30 |
| Magical Frog | Uncategorized | 35 | 8.8% | 14 |
| Re: Count The Digits | Uncategorized | 20 | 15.8% | 50 |
| Separate them | Uncategorized | 40 | 10.0% | 18 |
| Tadamoncovid | Uncategorized | 35 | 12.4% | 40 |
| Unfinished Artwork | Uncategorized | 25 | 20.6% | 75 |
| Find solutions | Educative | 25 | 16.0% | 31 |
| Subset sum | Educative | 20 | 15.9% | 48 |
| The travelling salesman problem | Educative | 20 | 17.5% | 15 |
| Islands | Interview questions | 25 | 16.3% | 20 |
| Min amplitude | Interview questions | 20 | 11.5% | 18 |
| Repeated digits | Interview questions | 20 | 12.2% | 83 |
| Stairs numbers | Interview questions | 35 | 9.8% | 19 |
| IOI 2017 - Books | ioi | 0p | 8.8% | 1 |
| IOI 2017 - Train | ioi | 0p | 13.6% | 2 |