5 Dan
QCFium 
| Country/Region |  Japan |
|---|---|
| Birth Year | 2004 |
| Codeforces ID | QCFium |
| Affiliation | The University of Tokyo |
Contest Status
| Rank | 101st |
|---|---|
| Rating |  2795
|
| Highest Rating | 2849 ― 5 Dan (+151 to promote) |
| Rated Matches | 71 |
| Last Competed | 2025/11/16 |