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zhenghanyun5's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| AtCoder Beginner Contest 421 | 6415 | - | - | - | ||
| AtCoder Beginner Contest 422 | 54 | 2400 |  1200 |
- | ||
| AtCoder Beginner Contest 445 | 36 | 2400 |  1655 |
+455 |