zhangchenhe's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| AtCoder Beginner Contest 450 | 7988 | - | - | - | ||
| AtCoder Beginner Contest 452 | 8267 | 279 |  14 |
- | ||
| AtCoder Beginner Contest 453 | 10425 | 55 | 21 |
+7 | ||
| AtCoder Regular Contest-- 219 | 1458 | - | - | - | ||
| AtCoder Beginner Contest 463 | 10601 | 54 | 25 |
+4 |