Problems
Problem search
| Problem | Category | Points | AC % | Users | |
|---|---|---|---|---|---|
| Easy splitting | Uncategorized | 100p | 1.4% | 3 | |
| Omar and Circles | Uncategorized | 100p | 12.0% | 17 | |
| Contest strategy | Uncategorized | 100p | 7.7% | 20 | |
| Xor Sort | Uncategorized | 100p | 10.2% | 2 | |
| Fun Tour | Uncategorized | 100p | 5.3% | 1 | |
| Painting Walls | Uncategorized | 100p | 6.3% | 2 | |
| Swapping cities | Uncategorized | 100p | 3.8% | 1 | |
| Hexagonal Territory | ioi | 100p | 10.0% | 1 | |
| Rainforest Jumps | ioi | 100p | 8.3% | 2 | |
| Road Closures | ioi | 100p | 5.9% | 1 | |
| A Plus B | Uncategorized | 5p | 26.9% | 731 | |
| Going to FlatLand | Uncategorized | 35 | 7.4% | 21 | |
| Merge them up | Interview questions | 30 | 11.4% | 122 | |
| Coin change | Educative | 15 | 29.2% | 72 | |
| Count paths | Educative | 15 | 12.4% | 59 | |
| Fibonacci queries | Educative | 15 | 6.3% | 98 | |
| Maximum subarray | Educative | 15 | 26.1% | 145 | |
| Knapsack | Educative | 15 | 16.3% | 31 | |
| Longest Increasing Subsequence | Educative | 15 | 27.7% | 75 | |
| Constructing tetrahedrons | Uncategorized | 25p | 14.4% | 33 | |
| Find components | Uncategorized | 30p | 14.1% | 11 | |
| Azuz's Anagram | Uncategorized | 10 | 14.0% | 150 | |
| High school mathematics | Uncategorized | 30 | 12.9% | 96 | |
| Houda and Weird Auction | Uncategorized | 25 | 15.7% | 24 | |
| Houda Playing Pocker | Uncategorized | 20 | 21.7% | 92 | |
| Last Digit! | Uncategorized | 10 | 16.7% | 321 | |
| Oola and the Rabbits | Uncategorized | 25 | 14.5% | 25 | |
| Rotten Berries | Uncategorized | 25 | 27.2% | 46 | |
| Stable Zeroing | Uncategorized | 20 | 21.5% | 176 | |
| Tree Puzzle | Uncategorized | 25 | 37.5% | 46 | |
| Unique SubString | Uncategorized | 30 | 15.0% | 21 | |
| 24/7 cafe | Uncategorized | 25 | 13.3% | 12 | |
| Diaa was Live! | Uncategorized | 25 | 8.7% | 122 | |
| Corona Virus Alert | Uncategorized | 5 | 31.5% | 419 | |
| Corona Virus Spread | Uncategorized | 15 | 24.1% | 159 | |
| Covid Statistics | Uncategorized | 25 | 11.2% | 31 | |
| Magical Frog | Uncategorized | 35 | 9.0% | 15 | |
| Re: Count The Digits | Uncategorized | 20 | 15.4% | 50 | |
| Separate them | Uncategorized | 40 | 10.0% | 18 | |
| Tadamoncovid | Uncategorized | 35 | 12.3% | 41 | |
| Unfinished Artwork | Uncategorized | 25 | 20.4% | 80 | |
| Find solutions | Educative | 25 | 17.4% | 41 | |
| Subset sum | Educative | 20 | 16.1% | 52 | |
| The travelling salesman problem | Educative | 20 | 17.4% | 17 | |
| Islands | Interview questions | 25 | 15.5% | 22 | |
| Min amplitude | Interview questions | 20 | 10.4% | 19 | |
| Repeated digits | Interview questions | 20 | 11.8% | 89 | |
| Stairs numbers | Interview questions | 35 | 10.0% | 22 | |
| IOI 2017 - Books | ioi | 0p | 8.8% | 1 | |
| IOI 2017 - Train | ioi | 0p | 13.6% | 2 |