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Duan's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| AtCoder Beginner Contest 094 | 964 | 224 |  11 |
- | ||
| AtCoder Beginner Contest 095 | 843 | 446 | 51 |
+40 | ||
| AtCoder Beginner Contest 096 | 630 | 1073 |  196 |
+145 | ||
| AtCoder Beginner Contest 097 | 697 | 640 |  259 |
+63 |