English
| ID | Nazwa | Znaczniki | Zgłosiło | %Rozwiązało | Średnio |
|---|---|---|---|---|---|
| sej | Sejf | 2 | 50% | 50 | |
| sss | Sekretna siatka szpiegowska | oi 32 e2 d0 | 67 | 67% | 75 |
| sen | Sen o podboju [A] | pa 2020 a r2 | 7 | 100% | 100 |
| sen | Sensowne drogi | 15 | 86% | 92 | |
| sep | In Search of an Easy Problem / Codeforces | 152 | 94% | 96 | |
| seq | seq | 1 | 100% | 100 | |
| sequence | sequence | 1 | 100% | 100 | |
| ser | Serca | oig otwarta 14 e1 | 812 | 97% | 97 |
| serce | Serce | 28 | 89% | 89 | |
| serce | Serce | 1364 | 94% | 94 | |
| sz1 | Serwer i żądania (1) | 39 | 94% | 94 | |
| swy | Serwer wydruków | 28 | 89% | 89 | |
| shop | shop | 1 | 100% | 100 | |
| shopping | Shopping | 14 | 78% | 89 | |
| shortway | shortway | 1 | 100% | 100 | |
| shot | shot | 1 | 100% | 100 | |
| sia | Siano [A] | pa 2015 r1 a | 0 | ||
| siar | Stuck in a Rut / USACO Silver | 0 | |||
| sie | Sieć | oi ioi-elem 27 d1 | 25 | 44% | 56 |
| sie | Sieć komunikacyjna | 2 | 100% | 100 |