2 Dan
rui_er 
| Country/Region |  China |
|---|---|
| Birth Year | 2007 |
| TopCoder ID | rui_er |
| Codeforces ID | rui_er |
| Affiliation | Wuhan University |
Contest Status
| Rank | 474th |
|---|---|
| Rating |  1866
|
| Highest Rating |  1950
|
| Rated Matches | 38 |
| Last Competed | 2025/09/19 |