International Olympiad in Informatics – Statistics
Jik Hyun Chang
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Delegation member
| Year | Country | Role |
|---|---|---|
| 2007 | Republic of Korea | Leader |
| 2006 | Republic of Korea | Leader |
| 2005 | Republic of Korea | Leader |
| 2004 | Republic of Korea | Leader |
| 2003 | Republic of Korea | Leader |
| 2001 | Republic of Korea | Leader |
| 2000 | Republic of Korea | Leader |
| 1999 | Republic of Korea | Leader |
| 1992 | Republic of Korea | Guest |