polski
| ID | Name | Tags | Submitters | % Correct | Average |
|---|---|---|---|---|---|
| bal | Task Balloons | ceoi 2011 d1 | 45 | 77% | 85 |
| hot | Task Hotel | ceoi 2011 d2 | 26 | 84% | 90 |
| mat | Task Matching | ceoi 2011 d1 | 99 | 61% | 75 |
| sim | Task Similarity | ceoi 2011 d0 | 26 | 69% | 94 |
| tea | Task Teams | ceoi 2011 d2 | 24 | 70% | 76 |
| tra | Task Traffic | ceoi 2011 d2 | 12 | 83% | 89 |