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liufeng1's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| AtCoder Beginner Contest 450 | 4502 | 899 |  69 |
- | ||
| AtCoder Beginner Contest 451 | 4632 | 874 |  209 |
+140 | ||
| AtCoder Grand Contest 077 | 122 | - | - | - | ||
| AtCoder Beginner Contest 452 | 7997 | 317 | 219 |
+10 | ||
| AtCoder Regular Contest 217 | 1137 | - | - | - | ||
| AtCoder Beginner Contest 453 | 3923 | 985 |  368 |
+149 | ||
| Keysight Technologies Programming Contest（AtCoder Beginner Contest 454） | 3566 | 971 |  493 |
+125 | ||
| Ｓｋｙ Inc, Programming Contest 2026 (AtCoder Beginner Contest 455) | 1154 | 1551 |  744 |
+251 | ||
| AtCoder Beginner Contest 456 | 2714 | 1174 |  817 |
+73 | ||
| Polaris.AI Programming Contest 2026（AtCoder Beginner Contest 457） | 7601 | 291 | 747 |
-70 | ||
| CodeQUEEN 2026 -qual- (AtCoder Beginner Contest 462) | 5549 | 730 | 742 |
-5 |