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| ID | Nazwa | Znaczniki | Zgłosiło | %Rozwiązało | Średnio |
|---|---|---|---|---|---|
| bud | Budżet | 2 | 50% | 75 | |
| bbr | Budowa Bronisława | 56 | 85% | 88 | |
| bud | Budowa lotniska | dp oi e1 31 Łatwe | 206 | 53% | 64 |
| bud | Budżet | 28 | 28% | 35 | |
| buk | Bukmacher | oi 31 e3 d1 | 23 | 43% | 57 |
| but | Butelki [C] | pa c r5 2021 | 9 | 100% | 100 |
| buzka | buzka | 1402 | 95% | 95 | |
| bdk | Byle daleko | 6 | 83% | 97 | |
| C | Cenowe Combo | 0 | |||
| C | Cierpliwe krowy | 0 | |||
| cpp | C++ | 125 | 94% | 96 | |
| atp | C1. Adjust The Presentation (Easy Version) | 5 | 80% | 88 | |
| cakes | Cakes | 24 | 25% | 77 | |
| cam | Camel | ejoi 2017 d2 | 24 | 45% | 47 |
| ccf | Candy Cane Feast / USACO Bronze | 6 | 83% | 94 | |
| aa1 | C. Anya and 1100 | 4 | 100% | 100 | |
| cap | Wielkie i małe literki | 2 | 0% | 66 | |
| cap | CAPS LOCK | Łatwe | 161 | 47% | 56 |
| car | Carcassonne [B] | pa r5 b 2017 | 5 | 40% | 54 |
| carp | Carpet | 8 | 87% | 87 |