kou_sa's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| AtCoder Beginner Contest 420 | 8893 | 153 |  8 |
- | ||
| AtCoder Beginner Contest 421 | 9950 | 134 | 22 |
+14 | ||
| AtCoder Beginner Contest 433 | 9258 | - | - | - |