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HKZZZ's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| AtCoder Beginner Contest 419 | 8034 | 306 |  15 |
- | ||
| AtCoder Beginner Contest 420 | 1265 | 1393 |  275 |
+260 | ||
| AtCoder Beginner Contest 421 | 6975 | 449 | 295 |
+20 |