arai_'s Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| Ｓｋｙ Inc, Programming Contest 2026 (AtCoder Beginner Contest 455) | 9216 | 141 |  7 |
- | ||
| AtCoder Beginner Contest 456 | 9059 | 145 | 22 |
+15 | ||
| Polaris.AI Programming Contest 2026（AtCoder Beginner Contest 457） | 9464 | 103 | 33 |
+11 | ||
| AtCoder Beginner Contest 458 | 10639 | 110 | 42 |
+9 |