SongHaoChen's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| Panasonic Programming Contest 2025（AtCoder Beginner Contest 406） | 9893 | 134 |  7 |
- | ||
| AtCoder Beginner Contest 423 | 5903 | 398 | 39 |
+32 |