English
| ID | Nazwa | Znaczniki | Zgłosiło | %Rozwiązało | Średnio |
|---|---|---|---|---|---|
| ccl | Cow College / USACO Bronze | 84 | 90% | 92 | |
| cen | Zadanie Ceny | amppz 2014 | 63 | 69% | 84 |
| cen | Zadanie Ceny | 7 | 100% | 100 | |
| cen | Zadanie Centrala telefoniczna | oig 2 e3 | 132 | 62% | 78 |
| cen | Zadanie Cennik | oi 20 e1 | 85 | 30% | 36 |
| cen | Zadanie Cennik | 101 | 63% | 68 | |
| chi | Zadanie Chińczyk | 1656 | 73% | 94 | |
| chi | Zadanie Chińczyk | ilocamp 2011 | 107 | 62% | 75 |
| chm | Zadanie Chmury | 0 | |||
| chm | Zadanie Chmury | pa 2007 r5 | 3 | 33% | 40 |
| cho | Zadanie Choinka | 615 | 82% | 82 | |
| cho | Zadanie Choinka | 4766 | 95% | 95 | |
| cho | Zadanie Chochlik | oig 4 e3 d0 | 62 | 80% | 82 |
| cho | Zadanie Chomiki | 44 | 77% | 91 | |
| cho | Chochliki | 1 | 0% | 0 | |
| cho | Chochlik | pa final 2018 | 26 | 84% | 84 |
| cho | Choinka | 29 | 6% | 6 | |
| cho | Chochliki | 3 | 0% | 0 | |
| cho | Choinka | 2 | 100% | 100 | |
| cho | Zadanie Chomiki | oi 17 e2 d1 | 197 | 74% | 83 |