Please sign in first.
Contest Result
| Username |  kongyanxiang |
|---|---|
| Contest Name | AtCoder Beginner Contest 421 |
| Rank | 6251st / 12891 |
| Performance | 542 |
| Rating Change |
229 → 254
(+25)
Highest!
|
| Grading | 10 Kyu → 9 Kyu |