| ID | Nazwa | Znaczniki | Zgłosiło | %Rozwiązało | Średnio |
|---|---|---|---|---|---|
| mrt | A. Marisa Steals Reimu's Takeout / Codeforces | 18 | 94% | 95 | |
| amo | AMOGUS | 117 | 1% | 1 | |
| amp | Amplituda | 216 | 79% | 79 | |
| anagram | anagram | 1 | 100% | 100 | |
| ana | anagramy | text sort stl Łatwe | 2356 | 84% | 90 |
| ana | Anagramy | oi 1 e3 d1 Łatwe | 494 | 68% | 75 |
| A | Analiza Autobusowa | dp amppz Bardzo trudne | 19 | 5% | 13 |
| alo | Analizator logów | 47 | 87% | 89 | |
| al2 | Analizator logów 2 | 21 | 80% | 83 | |
| and | And | 93 | 93% | 97 | |
| ank | Ankieta | 102 | 89% | 91 | |
| ant | Zadanie Antysymetria | 42 | 9% | 35 | |
| ant | Antykwariat | sort structs Łatwe | 331 | 74% | 79 |
| ant | Antypalindrom | oig e1 16 ukryta | 161 | 60% | 69 |
| ap1 | Antyplagiat 1 | 81 | 87% | 88 | |
| spag | Antyspaghettyfikacja | pref Trudne | 240 | 57% | 83 |
| ant | Antytrójkątowe pudełko | pref oig 15 e3 Trudne | 171 | 50% | 66 |
| aog | Arrival of the General/ Codeforces / A | 102 | 86% | 89 | |
| apb | apb | 5 | 100% | 100 | |
| apf | Apfel-laden | 12 | 83% | 83 |