| Offshores | 1000 | Solve |
| Olesya and Rodion | 1000 | Solve |
| Olya and Game with Arrays | 1000 | Solve |
| Omsk Programmers | 1000 | Solve |
| Optimal Reduction | 1000 | Solve |
| Optimal Shifts | 1000 | Solve |
| Paint a Strip | 1000 | Solve |
| Pair of Toys | 1000 | Solve |
| Palindrome Dance | 1000 | Solve |
| Palindromic Times | 1000 | Solve |
| Palindromic Twist | 1000 | Solve |
| Paper Work | 1000 | Solve |
| Parliament of Berland | 1000 | Solve |
| Pasha and Stick | 1000 | Solve |
| Payment Without Change | 1000 | Solve |
| Permutation | 1000 | Solve |
| Permutation Minimization by Deque | 1000 | Solve |
| Permutation Printing | 1000 | Solve |
| Permutations & Primes | 1000 | Solve |
| Petr and Book | 1000 | Solve |
| Phoenix and Puzzle | 1000 | Solve |
| Pillars | 1000 | Solve |
| Pizza, Pizza, Pizza!!! | 1000 | Solve |