| ID | Name | Tags | Submitters | % Correct | Average |
|---|---|---|---|---|---|
| hur | Task Warehouse Store | oi 19 e3 d2 | 289 | 69% | 76 |
| jed | Task Ones | oi 17 e3 d2 | 11 | 54% | 62 |
| kaf | Task Tiles | impl brut math oi 10 e2 d2 Hard | 48 | 70% | 83 |
| kag | Task C-algae | oi 11 e3 d2 | 10 | 50% | 69 |
| klo | Klocki | oi 14 e3 d2 | 117 | 64% | 70 |
| klu | Klubowicze | oi 23 e3 d2 | 116 | 38% | 52 |
| kod | Task Code | oi 7 e2 d2 | 57 | 89% | 93 |
| kod | Task The Code | oi 16 e3 d2 | 6 | 33% | 58 |
| kol | Kolekcjoner Bajtemonów | oi 22 e3 d2 | 294 | 85% | 91 |
| kom | Komunikacja międzyplanetarna | oi d2 e3 28 | 63 | 4% | 8 |
| kom | Kompresja drzew binarnych | oi ioi-elem d2 27 | 30 | 30% | 38 |
| kon | Kontenery | oi 24 e2 d2 | 1289 | 80% | 85 |
| kon | Konewka | oi 20 e2 d2 | 325 | 79% | 86 |
| kop | Task Goldmine | oi 8 e3 d2 | 267 | 79% | 89 |
| kos | Zadanie Kości | oi 12 e2 d2 | 103 | 40% | 66 |
| kry | Kryształ | oi 10 e3 d2 | 7 | 71% | 85 |
| kuc | Kucharz | dp bit oi 24 e3 d2 Medium | 184 | 60% | 65 |
| kur | Task Resort | oi 9 e2 d2 | 119 | 81% | 89 |
| kur | Zadanie Kurs szybkiego czytania | oi 22 e2 d2 | 187 | 40% | 53 |
| lab | Task The Labyrinth of Wells | oi 7 e2 d2 | 72 | 76% | 87 |