preenan's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| AtCoder Beginner Contest 224 | 5750 | 77 |  4 |
- | ||
| UNICORN Programming Contest 2021(AtCoder Beginner Contest 225) | 6408 | 20 | 6 |
+2 |