| ID | Name | Tags | Submitters | % Correct | Average |
|---|---|---|---|---|---|
| gla | Gładkie permutacje [A] | pa 2025 r5 | 3 | 33% | 43 |
| dop | Dopasowanie | pa final 2016 | 6 | 33% | 46 |
| wak | Task Vacation [A] | pa 2011 r5 a | 3 | 33% | 60 |
| las | Las | 6 | 33% | 63 | |
| ko2 | Task Conference - Rectification [A] | 6 | 33% | 48 | |
| imp | Task Improvisation [B] | 3 | 33% | 40 | |
| sch | Schody | oi 32 e2 d2 | 69 | 33% | 37 |
| lpp | Liczby półpierwsze | 204 | 33% | 61 | |
| naw | Task Brackets [B] | 9 | 33% | 42 | |
| ogr | Task Speed Limits | 6 | 33% | 60 | |
| moz | Task Mosaicism [B] | 3 | 33% | 40 | |
| wag | Zadanie Waga | pa 2002 r5 | 6 | 33% | 34 |
| nie | Nietoperze | 129 | 33% | 46 | |
| pec | Task Unlucky [A] | pa 2011 r2 a | 15 | 33% | 43 |
| baj | Task Byton Tree [B] | 3 | 33% | 33 | |
| rad | Radar | 3 | 33% | 40 | |
| wie | Task Tower | ontak 2010 | 24 | 33% | 41 |
| dna | Mutating DNA / IOI / International Olympiad in Informatics | 3 | 33% | 50 | |
| prz | Task Pedestrian Crossing [B] | 9 | 33% | 37 | |
| wak | Task Vacation [A] | 3 | 33% | 36 |