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Contest Result
| Username |  BestCN |
|---|---|
| Contest Name | AtCoder Beginner Contest 421 |
| Rank | 5129th / 12891 |
| Performance | 690 |
| Rating Change |
 390 → 440
(+50)
Highest!
|
| Grading | 9 Kyu → 8 Kyu |