English
| ID | Nazwa | Znaczniki | Zgłosiło | %Rozwiązało | Średnio |
|---|---|---|---|---|---|
| a7m | Zagadka Fibonacciego | 155 | 92% | 97 | |
| a7n | Ciąg Fibonacciego | math Bardzo łatwe | 633 | 84% | 94 |
| aa1 | C. Anya and 1100 | 6 | 100% | 100 | |
| aad | A. Anton and Danik / Codeforces | 188 | 94% | 95 | |
| aag | D. Almost Acyclic Graph / Codeforces | 10 | 30% | 74 | |
| a_and_b | D. A and B and Interesting Substrings | 4 | 100% | 100 | |
| aap | Alya and Permutation | 6 | 83% | 83 | |
| abba | Usuwanie ABB'Y | 20 | 75% | 92 | |
| abc | Zadanie ABC | proserwy 2010 | 38 | 23% | 27 |
| abc | Abchazja | 79 | 87% | 87 | |
| abc | Do You Know Your ABCs? / USACO | 46 | 86% | 92 | |
| abcz | ABC zygzak | 118 | 67% | 70 | |
| abr | Abraham | sort greedy Średnie | 281 | 20% | 24 |
| abs | Wartość bezwzględna | 355 | 93% | 94 | |
| abs | Wartość bezwzględna | 202 | 93% | 94 | |
| abs | Zadanie Maksymalna różnica | 2925 | 68% | 90 | |
| abs | Task AB-słowa | 9 | 0% | 42 | |
| abs | Task AB-słowa | oi 5 e1 | 6 | 33% | 74 |
| abu | Ale bug! | 767 | 59% | 78 | |
| abz | AB zygzak | 135 | 59% | 77 |