SproutsContests
| Contest | # Problems | Available | |
|---|---|---|---|
| /cerc1995 | 8 | 6 | |
| /cerc1996 | 8 | 8 | |
| /cerc1997 | 8 | 8 | |
| /cerc1998 | 9 | 8 | |
| /cerc1999 | 8 | 8 | |
| /cerc2000 | 9 | 9 | |
| Warsaw, Poland | /cerc2001 | 9 | 9 |
| Warsaw, Poland | /cerc2002 | 10 | 8 |
| Warsaw, Poland | /cerc2003 | 9 | 9 |
| /cerc2004 | 1 | 1 | |
| /ceerc2005 | 1 | 1 | |
| Prague, Czech Republic | /cerc2007 | 15 | 15 |
| Wrocław, Poland | /cerc2008 | 12 | 12 |
| Wrocław, Poland | /cerc2009 | 11 | 11 |
| Wrocław, Poland | /cerc2010 | 10 | 10 |
| Prague, Czech Republic | /cerc2011 | 10 | 10 |
| Kraków, Poland | /cerc2012 | 11 | 11 |
| Kraków, Poland | /cerc2013 | 12 | 12 |
| Kraków, Poland | /cerc2014 | 12 | 12 |
| /cerc2015 | 12 | 12 | |
| Zagreb, Croatia | /cerc2016 | 12 | 12 |
| Zagreb, Croatia | /cerc2017 | 12 | 12 |
| Prague, Czech Republic | /cerc2018 | 12 | 12 |
| Prague, Czech Republic | /cerc2019 | 12 | 12 |
| Online | /cerc2020 | 11 | 11 |
| Ljubljana, Slovenia | /cerc2021 | 15 | 15 |
| Ljubljana, Slovenia | /cerc2022 | 15 | 15 |
| Ljubljana, Slovenia | /c4073 | 12 | 12 |