International Olympiad in Informatics – Statistics
Seiichi Tani
Sei-ichi Tani
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Delegation member
| Year | Country | Role |
|---|---|---|
| 2025 | Japan | Guest |
| 2024 | Japan | Guest |
| 2023 | Japan | Guest |
| 2022 | Japan | Guest |
| 2020 | Japan | Guest |
| 2019 | Japan | IC member |
| 2018 | Japan | IC member |
| 2017 | Japan | IC member |
| 2016 | Japan | IC member |
| 2015 | Japan | IC member |
| 2014 | Japan | Guest |
| 2013 | Japan | Deputy leader |
| 2012 | Japan | Deputy leader |
| 2011 | Japan | Deputy leader |
| 2010 | Japan | Leader |
| 2009 | Japan | Leader |
| 2008 | Japan | Leader |
| 2007 | Japan | Leader |
| 2006 | Japan | Leader |
| 2005 | Japan | Observer |
| 1996 | Japan | Observer |
| 1994 | Japan | Observer |