O_DRAGON's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| AtCoder Grand Contest 039 | 2035 | 273 |  14 |
- | ||
| AtCoder Beginner Contest 146 | 4340 | 140 | 30 |
+16 | ||
| AtCoder Beginner Contest 147 | 3862 | 328 | 61 |
+31 |