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| ID | Nazwa | Znaczniki | Zgłosiło | %Rozwiązało | Średnio |
|---|---|---|---|---|---|
| aa1 | C. Anya and 1100 | 6 | 100% | 100 | |
| cap | Wielkie i małe literki | 44 | 2% | 37 | |
| cap | CAPS LOCK | Łatwe | 298 | 44% | 53 |
| car | Carrots for Rabbits | 9 | 100% | 100 | |
| 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 | 9 | 100% | 100 | |
| cat | Catshock | 0 | |||
| cat | Catshock | 10 | 90% | 90 | |
| cbur | Bursztyn | 40 | 67% | 85 | |
| cbur | Bursztyn | 5 | 80% | 95 | |
| C | Cenowe Combo | segtree sweep amppz Bardzo trudne | 13 | 23% | 38 |
| cenzura | Cenzura | 0 | |||
| cgc | D. CGCDSSQ / Codeforces | 23 | 60% | 71 | |
| chess | chess | 0 | |||
| chess | chess | 0 | |||
| chick | chick | 2 | 100% | 100 | |
| cho | 5. Choinka | 70 | 97% | 97 |