Guanhaibo's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| HHKB Programming Contest 2025(AtCoder Beginner Contest 388) | 8540 | 163 |  8 |
- | ||
| AtCoder Beginner Contest 417 | 10631 | 42 | 13 |
+5 | ||
| AtCoder Beginner Contest 419 | 10045 | 137 | 27 |
+14 | ||
| AtCoder Beginner Contest 426 | 5275 | 676 | 76 |
+49 | ||
| Denso Create Programming Contest 2026（AtCoder Beginner Contest 443） | 4389 | 827 |  153 |
+77 |