| ID | Name | Tags | Submitters | % Correct | Average |
|---|---|---|---|---|---|
| lam | Task Solar lamps | oi 21 e3 d2 | 59 | 45% | 59 |
| zam | Zamek | oi 24 e2 d2 | 280 | 43% | 67 |
| zyr | Żyrandol | oi 31 e3 d2 | 14 | 42% | 44 |
| kur | Zadanie Kurs szybkiego czytania | oi 22 e2 d2 | 178 | 41% | 54 |
| red | Redukcja połączeń | oi 32 e3 d2 | 20 | 40% | 60 |
| orn | Ornitolog | oi 26 e3 d2 | 142 | 40% | 59 |
| pro | Task Programming Contest | oi 18 e3 d2 | 52 | 40% | 62 |
| klu | Klubowicze | oi 23 e3 d2 | 113 | 39% | 53 |
| tur | Task The Tournament | oi 11 e2 d2 | 71 | 39% | 60 |
| kos | Zadanie Kości | oi 12 e2 d2 | 94 | 38% | 64 |
| lok | Lokacja miasta | oi 32 e3 d2 | 18 | 38% | 62 |
| pro | Task Protocols | oi 9 e2 d2 | 40 | 37% | 68 |
| ark | Arkanoid | impl math oi 23 e2 d2 Very Hard | 125 | 35% | 49 |
| lic | Task B-Smooth Numbers | oi 9 e3 d2 | 29 | 34% | 65 |
| cia | Ciąg binarny | oi 31 e2 d2 | 113 | 34% | 60 |
| kod | Task The Code | oi 16 e3 d2 | 6 | 33% | 58 |
| sum | Suma liczb pierwszych | oi d2 e3 28 | 129 | 32% | 59 |
| uci | Task The Great Escape | oi 15 e2 d2 | 37 | 32% | 42 |
| kom | Kompresja drzew binarnych | oi ioi-elem d2 27 | 26 | 30% | 38 |
| sch | Schody | oi 32 e2 d2 | 63 | 30% | 34 |