chenxingrong's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| AtCoder Beginner Contest 407 | 9752 | 165 |  8 |
- | ||
| AtCoder Beginner Contest 420 | 6844 | 371 | 40 |
+32 | ||
| AtCoder Beginner Contest 426 | 8622 | 213 | 62 |
+22 |