Black555's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| AtCoder Beginner Contest 420 | 7335 | 316 |  16 |
- | ||
| AtCoder Beginner Contest 421 | 8883 | - | - | - | ||
| AtCoder Beginner Contest 423 | 6065 | 370 | 53 |
+37 |