7 Kyu
Derek0919 
| Country/Region |  China |
|---|---|
| Birth Year | 2010 |
| TopCoder ID | derek0919 |
| Codeforces ID | xuyuanyuan |
| Affiliation | Jiangly Fan Club |
Contest Status
| Rank | 4015th |
|---|---|
| Rating | 64 (Provisional) |
| Highest Rating | 64 |
| Rated Matches | 1 |
| Last Competed | 2023/03/18 |