Changchang's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| AtCoder Beginner Contest 252 | 7038 | 173 |  9 |
- | ||
| NOMURA Programming Contest 2022（AtCoder Beginner Contest 253） | 7092 | 121 | 22 |
+13 |