caoyuansong's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| AtCoder Beginner Contest 159 | 8174 | 11 |  1 |
- | ||
| AtCoder Beginner Contest 163 | 11397 | - | - | - | ||
| AtCoder Beginner Contest 230 | 5604 | 28 | 3 |
+2 |