zhengyongnan's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| AtCoder Beginner Contest 405 | 9683 | 184 |  9 |
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zhengyongnan's Competition History| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| AtCoder Beginner Contest 405 | 9683 | 184 | 9 |
- |