polski
| ID | Name | Tags | Submitters | % Correct | Average |
|---|---|---|---|---|---|
| dsb | Drzewo Sterna-Brocota | math rec Medium | 168 | 23% | 79 |
| mys | Mysz w labiryncie | graphs search Tablice rec Easy | 401 | 44% | 67 |
| het | Problem 8 hetmanów | bct rec Easy | 228 | 46% | 75 |
| prof | Roztargniony profesor | rec Easy | 271 | 59% | 83 |