KoheiO's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| AtCoder Beginner Contest 421 | 10112 | 127 |  6 |
- | ||
| AtCoder Beginner Contest 423 | 5971 | 385 | 37 |
+31 | ||
| AtCoder Beginner Contest 424 | 8066 | 104 | 46 |
+9 |