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| ID | Nazwa | Znaczniki | Zgłosiło | %Rozwiązało | Średnio |
|---|---|---|---|---|---|
| car | Carcassonne [B] | pa r5 b 2017 | 6 | 33% | 46 |
| carp | Carpet | 8 | 87% | 87 | |
| car | Car Park | ceoi 2018 d0 | 43 | 69% | 76 |
| cat | cat | 1 | 0% | 0 | |
| cat | Cat Exercise | 8 | 100% | 100 | |
| cbur | Bursztyn | 35 | 71% | 84 | |
| cbur | Bursztyn | 2 | 50% | 88 | |
| C | Cenowe Combo | segtree sweep amppz Bardzo trudne | 8 | 37% | 48 |
| cgc | D. CGCDSSQ / Codeforces | 13 | 53% | 68 | |
| cho | 5. Choinka | 3 | 100% | 100 | |
| cho | Choinka | 45 | 4% | 4 | |
| cho | Chochliki | 1 | 0% | 0 | |
| cho | cho | 14 | 92% | 92 | |
| cho | Chochliki | 3 | 0% | 0 | |
| cho | Chochlik | pa final 2018 | 29 | 86% | 86 |
| lin | Chodzenie po linie [B] | pa b r5 2022 | 3 | 33% | 46 |
| a5g | Choina z cyferek | 907 | 95% | 97 | |
| cho | Choinka | 75 | 97% | 97 | |
| cho | Choinka | 3 | 66% | 100 | |
| choinka1 | Choinka 1 | Petla Łatwe | 410 | 85% | 87 |