Quack_doctor's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| AtCoder Beginner Contest 450 | 10931 | 104 |  5 |
- | ||
| AtCoder Beginner Contest 451 | 10220 | 133 | 18 |
+13 | ||
| AtCoder Beginner Contest 453 | 9625 | 172 | 35 |
+17 | ||
| Ｓｋｙ Inc, Programming Contest 2026 (AtCoder Beginner Contest 455) | 10243 | - | - | - | ||
| AtCoder Beginner Contest 456 | 9550 | - | - | - | ||
| CodeQUEEN 2026 -qual- (AtCoder Beginner Contest 462) | 10763 | - | - | - | ||
| AtCoder Beginner Contest 463 | 10105 | 152 | 49 |
+14 | ||
| Japanese Student Championship 2026 -Advance- Qualification (AtCoder Beginner Contest 464) | 8199 | 178 | 63 |
+14 |