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qifeilo's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| AtCoder Beginner Contest 259 | 2009 | 1124 |  122 |
- | ||
| AtCoder Regular Contest 144 | 1286 | 1296 |  472 |
+350 | ||
| AtCoder Beginner Contest 260 | 1731 | 1188 |  662 |
+190 |