Browse problems by rating range and tags. 11,006 problems indexed.
| Title | Rating | ||
|---|---|---|---|
| Restoration of the Permutation | 1800 | Solve | |
| Restore Graph |
| 1800 |
| Solve |
| Rhyme | 1800 | Solve |
| Road Improvement | 1800 | Solve |
| Road Reform | 1800 | Solve |
| Road Widening | 1800 | Solve |
| Robbery | 1800 | Solve |
| Robot Rapping Results Report | 1800 | Solve |
| Robot Vacuum Cleaner | 1800 | Solve |
| Rock, Paper, Scissors | 1800 | Solve |
| Rocket | 1800 | Solve |
| Root was Built by Love, Broken by Destiny | 1800 | Solve |
| Rudolf and Imbalance | 1800 | Solve |
| Rudolf and Snowflakes (hard version) | 1800 | Solve |
| Rudolph and Mimic | 1800 | Solve |
| Ryouko's Memory Note | 1800 | Solve |
| Sakurako's Task | 1800 | Solve |
| Same GCDs | 1800 | Solve |
| Sasha and One More Name | 1800 | Solve |
| Scammy Game Ad | 1800 | Solve |
| Script Generation | 1800 | Solve |
| Selling a Menagerie | 1800 | Solve |
| Send Boxes to Alice (Easy Version) | 1800 | Solve |
| Sequence of points | 1800 | Solve |
| Set To Max (Hard Version) | 1800 | Solve |