5 Dan
diamond_duke 
| Country/Region |  China |
|---|---|
| Birth Year | 2003 |
| TopCoder ID | diamond_duke |
| Codeforces ID | diamond_duke |
| Affiliation | Nanjing Foreign Language School |
5 Dan
diamond_duke 
| Country/Region | China |
|---|---|
| Birth Year | 2003 |
| TopCoder ID | diamond_duke |
| Codeforces ID | diamond_duke |
| Affiliation | Nanjing Foreign Language School |