| ID | Nazwa | Znaczniki | Zgłosiło | %Rozwiązało | Średnio |
|---|---|---|---|---|---|
| buk | Bukmacher | oi 31 e3 d1 | 87 | 66% | 76 |
| bur | Burkacki | 139 | 94% | 94 | |
| bur | Bursztyny [C] | pa 2026 r5 | 11 | 90% | 95 |
| bit | Burza Bitowa | 19 | 94% | 97 | |
| but | Butelki [C] | pa c r5 2021 | 20 | 90% | 94 |
| buzka | buzka | 1994 | 95% | 95 | |
| bdk | Byle daleko | 7 | 71% | 83 | |
| C | Cenowe Combo | 0 | |||
| C | Cierpliwe krowy | 1 | 0% | 12 | |
| cpp | C++ | 355 | 97% | 98 | |
| atp | C1. Adjust The Presentation (Easy Version) | 6 | 83% | 90 | |
| sft | C1. Skibidus and Fanum Tax (easy version) / Codeforces / Div 4 | 12 | 66% | 74 | |
| cakes | Cakes | 24 | 25% | 77 | |
| cam | Camel | ejoi 2017 d2 | 31 | 38% | 41 |
| ccf | Candy Cane Feast / USACO Bronze | 9 | 77% | 94 | |
| aa1 | C. Anya and 1100 | 6 | 100% | 100 | |
| cap | Wielkie i małe literki | 44 | 2% | 37 | |
| cap | CAPS LOCK | Łatwe | 309 | 40% | 49 |
| car | Carrots for Rabbits | 11 | 100% | 100 | |
| car | Carcassonne [B] | pa r5 b 2017 | 6 | 33% | 46 |