Browse problems by rating range and tags. 11,006 problems indexed.
| Title | Rating | ||
|---|---|---|---|
| Petya and Array | 1800 | Solve | |
| Petya and Exam |
| 1800 |
| Solve |
| Petya and File System | 1800 | Solve |
| Photographs (I) | 1800 | Solve |
| Planting Trees | 1800 | Solve |
| Playing with Permutations | 1800 | Solve |
| Playoff Tournament | 1800 | Solve |
| Points and Powers of Two | 1800 | Solve |
| Polycarp and String Transformation | 1800 | Solve |
| Polynom | 1800 | Solve |
| Power Products | 1800 | Solve |
| Prefix Purchase | 1800 | Solve |
| Prefix-Suffix Palindrome (Hard version) | 1800 | Solve |
| Presents | 1800 | Solve |
| Price Tags | 1800 | Solve |
| Prime Segment | 1800 | Solve |
| Prime Swaps | 1800 | Solve |
| Prime factorization | 1800 | Solve |
| Primitive Primes | 1800 | Solve |
| Problem about GCD | 1800 | Solve |
| Problem for Nazar | 1800 | Solve |
| Programming Language | 1800 | Solve |
| Python Indentation | 1800 | Solve |
| Quartet Swapping | 1800 | Solve |
| Queries for Number of Palindromes | 1800 | Solve |