polski
| ID | Name | Tags | Submitters | % Correct | Average |
|---|---|---|---|---|---|
| kon | Zadanie Konduktorzy [B] | pa 2013 r5 b | 31 | 54% | 69 |
| kon | Task Congress | pa 2006 r1 | 45 | 91% | 92 |
| kor | Zadanie Korekcja błędów | pa 2002-2 r4 | 4 | 100% | 100 |
| kor | Zadanie Korniki [B] | pa 2012 r6 b | 37 | 18% | 34 |
| kos | Koszulki [C] | pa r1 c 2021 | 20 | 100% | 100 |
| kos | Task Dice [A] | pa 2009 r2 a | 25 | 60% | 64 |
| kot | Task A Cat on a Keyboard | pa 2008 trial | 169 | 78% | 84 |
| koz | Task The Goat [A] | pa 2010 r5 a | 6 | 83% | 83 |
| kra | Kraniki [B] | pa b r5 2024 | 11 | 54% | 67 |
| kre | Task Circles | pa 2012 final | 22 | 50% | 72 |
| kro | Zadanie Królestwo | pa 2014 final | 9 | 66% | 76 |
| kry | Zadanie Kryształ [A] | pa 2013 r6 a | 1 | 100% | 100 |
| kto | Kto wygrał? [C] | pa c r1 2024 | 98 | 97% | 98 |
| kug | Zadanie Kuglarz [A] | pa 2014 r1 a | 76 | 61% | 70 |
| kul | Trzy kule [B] | pa r5 b 2019 | 11 | 100% | 100 |
| kwa | Zadanie Kwadrat | pa 2013 trial | 209 | 55% | 82 |
| lam | Łamigłówka 3 [C] | pa r4 c 2024 | 29 | 86% | 89 |
| lam | Łamigłówka [C] | pa r4 c 2022 | 12 | 66% | 74 |
| lam | Łamana | pa final 2016 | 7 | 71% | 75 |
| lam | Łamana 2 | pa 2019 final | 49 | 95% | 96 |