16 Kyu
richinosan 
| Country/Region |  Japan |
|---|---|
| Birth Year | 2000 |
| Twitter ID | @richinosan |
| TopCoder ID | richinosan |
| Codeforces ID | richinosan |
| Affiliation | none |
16 Kyu
richinosan 
| Country/Region | Japan |
|---|---|
| Birth Year | 2000 |
| Twitter ID | @richinosan |
| TopCoder ID | richinosan |
| Codeforces ID | richinosan |
| Affiliation | none |