English
| ID | Nazwa | Znaczniki | Zgłosiło | %Rozwiązało | Średnio |
|---|---|---|---|---|---|
| sss | Sekretna siatka szpiegowska | oi 32 e2 d0 | 88 | 63% | 72 |
| 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 | 153 | 94% | 96 | |
| seq | seq | 1 | 100% | 100 | |
| sequence | sequence | 1 | 100% | 100 | |
| ser | Serca | oig otwarta 14 e1 | 882 | 97% | 97 |
| serce | Serce | 31 | 87% | 87 | |
| serce | Serce | 1407 | 94% | 94 | |
| sz1 | Serwer i żądania (1) | 39 | 94% | 94 | |
| swy | Serwer wydruków | 40 | 85% | 86 | |
| shop | shop | 1 | 100% | 100 | |
| shopping | Shopping | 14 | 78% | 89 | |
| shortway | shortway | 2 | 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 | 27 | 40% | 51 |
| skm | Sieć komputerów | 37 | 97% | 99 | |
| sie | Sieć komunikacyjna | 2 | 100% | 100 |