back_hack's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| AtCoder Beginner Contest 419 | 8841 | - | - | - | ||
| AtCoder Beginner Contest 420 | 8550 | 184 |  9 |
- | ||
| AtCoder Beginner Contest 421 | 9625 | 157 | 26 |
+17 |