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| ID | Nazwa | Znaczniki | Zgłosiło | %Rozwiązało | Średnio |
|---|---|---|---|---|---|
| bud | Budżet | 2 | 50% | 50 | |
| bbr | Budowa Bronisława | 53 | 84% | 87 | |
| bud | Budowa lotniska | oi e1 31 | 87 | 65% | 72 |
| bud | Budżet | 18 | 44% | 49 | |
| but | Butelki [C] | pa c r5 2021 | 9 | 100% | 100 |
| buzka | buzka | 1311 | 95% | 95 | |
| bdk | Byle daleko | 6 | 83% | 97 | |
| C | Cenowe Combo | 0 | |||
| cakes | Cakes | 24 | 25% | 77 | |
| cam | Camel | ejoi 2017 d2 | 24 | 45% | 47 |
| ccf | Candy Cane Feast / USACO Bronze | 5 | 80% | 93 | |
| cap | Wielkie i małe literki | 1 | 0% | 72 | |
| cap | CAPS LOCK | Łatwe | 140 | 47% | 56 |
| car | Carcassonne [B] | pa r5 b 2017 | 5 | 40% | 54 |
| carp | Carpet | 5 | 100% | 100 | |
| car | Car Park | ceoi 2018 d0 | 43 | 69% | 76 |
| cat | Cat Exercise | 3 | 100% | 100 | |
| cat | cat | 0 | |||
| cbur | Bursztyn | 19 | 73% | 77 | |
| C | Cenowe Combo | segtree sweep amppz Bardzo trudne | 7 | 42% | 50 |