Macdona's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| AtCoder Beginner Contest 439 | 7848 | 168 |  8 |
- | ||
| AtCoder Beginner Contest 440 | 9287 | 150 | 25 |
+17 | ||
| AtCoder Beginner Contest 441 (Promotion of Engineer Guild Fes) | 8537 | 223 | 46 |
+21 | ||
| JPRS Programming Contest 2026#1 (AtCoder Beginner Contest 442) | 7427 | 312 | 74 |
+28 | ||
| Denso Create Programming Contest 2026（AtCoder Beginner Contest 443） | 7204 | 334 |  101 |
+27 | ||
| AtCoder Beginner Contest 444 | 5970 | 689 | 160 |
+59 | ||
| AtCoder Beginner Contest 445 | 4109 | 850 |  242 |
+82 | ||
| AtCoder Beginner Contest 446 | 5662 | 451 | 265 |
+23 | ||
| AtCoder Beginner Contest 447 | 8884 | - | - | - |