English
| ID | Nazwa | Znaczniki | Zgłosiło | %Rozwiązało | Średnio |
|---|---|---|---|---|---|
| balance | balance | 2 | 50% | 50 | |
| balg | Bałagan | 2 | 50% | 85 | |
| bub | Balonowe urodziny brata | 85 | 95% | 95 | |
| boi | Bałtycka Olimpiada Informatyczna | 38 | 86% | 93 | |
| bha | Bambus happy? | math mp 2022 r2 | 506 | 73% | 76 |
| bh2 | Bambus happy 2 | mp 2022 r3 | 160 | 47% | 62 |
| ban | Bankiet | 95 | 80% | 81 | |
| ban | Zadanie Bankiet | 63 | 90% | 90 | |
| ban | Bankiet | 15 | 93% | 93 | |
| ban | Banki | 35 | 94% | 94 | |
| r3c | BANANA | mp 2023 r3 | 315 | 73% | 81 |
| ban | Banany [B] | pa r5 b 2017 | 25 | 68% | 71 |
| bar | Bar mleczny | 16 | 37% | 92 | |
| bst | Bardzo skomplikowany test [B] | pa 2020 r5 b | 10 | 90% | 90 |
| buc | Bardzo Ulubiony Ciąg [C] | pa c r5 2024 | 15 | 46% | 71 |
| r3a | Basen | mp 2026 r3 | 683 | 95% | 96 |
| bas | Basen | mp 2022 r8 | 108 | 58% | 81 |
| bas | Basen | Petla oig 14 e1 otwarta Bardzo łatwe | 1097 | 84% | 85 |
| bks | B. Books / Codeforces | 46 | 71% | 85 | |
| cht | B. Chemical table / EJOI / Codeforces | 7 | 85% | 85 |