zhengjunyan's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| AtCoder Beginner Contest 456 | 5390 | - | - | - | ||
| AtCoder Beginner Contest 473 | 5950 | 684 |  41 |
- | ||
| AtCoder Beginner Contest 474 | 2543 | 949 |  182 |
+141 |