Erratum's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| AtCoder Beginner Contest 349 | 9224 | 139 |  7 |
- | ||
| AtCoder Beginner Contest 350 | 8718 | 220 | 28 |
+21 | ||
| AtCoder Beginner Contest 351 | 7904 | 275 | 54 |
+26 |