yukunchen's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| AtCoder Beginner Contest 101 | 1511 | 139 |  7 |
- | ||
| AtCoder Beginner Contest 105 | 1692 | - | - | - | ||
| AtCoder Beginner Contest 107 | 1375 | 143 | 22 |
+15 |