obatree's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| AtCoder Beginner Contest 220 | 5300 | 251 |  13 |
- | ||
| AtCoder Beginner Contest 221 | 7389 | 64 | 21 |
+8 | ||
| AtCoder Beginner Contest 223 | 6031 | 64 | 27 |
+6 |