a_head_'s Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| AtCoder Beginner Contest 399 | 9263 | 196 |  10 |
- | ||
| AtCoder Beginner Contest 405 | 6572 | 528 | 55 |
+45 | ||
| Panasonic Programming Contest 2025（AtCoder Beginner Contest 406） | 7189 | 407 | 95 |
+40 | ||
| AtCoder Beginner Contest 407 | 8532 | 264 |  117 |
+22 |