nian_an's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| AtCoder Beginner Contest 451 | 3531 | 1042 |  99 |
- | ||
| AtCoder Beginner Contest 453 | 3762 | 1014 |  298 |
+199 | ||
| Ｓｋｙ Inc, Programming Contest 2026 (AtCoder Beginner Contest 455) | 5215 | 703 |  374 |
+76 | ||
| Polaris.AI Programming Contest 2026（AtCoder Beginner Contest 457） | 3666 | - | - | - |