International Olympiad in Informatics – Statistics
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Delegation member
| Year | Country | Role |
|---|---|---|
| 2023 | China | Guest |
| 2022 | China | Guest |
| 2021 | China | Guest |
| 2020 | China | Guest |
| 2019 | China | Guest |
| 2018 | China | Guest |
| 2017 | China | Guest |
| 2016 | China | Guest |
| 2015 | China | Guest |
| 2014 | China | Guest |
| 2013 | China | Guest |
| 2012 | China | Guest |
| 2011 | China | Guest |
| 2010 | China | Guest |
| 2009 | China | Guest |
| 2008 | China | President |
| 2007 | China | President |
| 2006 | China | President |
| 2005 | China | Guest |
| 2004 | China | Guest |
| 2003 | China | IC member |
| 2002 | China | IC member |
| 2001 | China | IC member |
| 2000 | China | Chairman |
| 1999 | China | IC member |
| 1998 | China | IC member |
| 1997 | China | IC member |