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| ID | Nazwa | Znaczniki | Zgłosiło | %Rozwiązało | Średnio |
|---|---|---|---|---|---|
| cat | Catshock | 0 | |||
| cat | Catshock | 11 | 90% | 90 | |
| cat | Cat Exercise | 10 | 90% | 90 | |
| cbur | Bursztyn | 46 | 71% | 87 | |
| 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 | Chochliki | 4 | 0% | 0 | |
| cho | cho | 33 | 93% | 93 | |
| cho | Choinka | 58 | 6% | 6 | |
| cho | 5. Choinka | 87 | 97% | 97 | |
| cho | Chochliki | 2 | 0% | 0 | |
| cho | Chochlik | pa final 2018 | 32 | 84% | 84 |
| lin | Chodzenie po linie [B] | pa b r5 2022 | 3 | 33% | 46 |
| a5g | Choina z cyferek | 1042 | 95% | 97 | |
| cho | Choinka | 11 | 81% | 81 |