chamcham's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| AtCoder Beginner Contest 199（Sponsored by Panasonic） | 8556 | 15 |  1 |
- | ||
| AISing Programming Contest 2021（AtCoder Beginner Contest 202） | 7147 | 121 | 8 |
+7 |