DuMinghao's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| AtCoder Beginner Contest 421 | 7122 | 425 |  21 |
- | ||
| AtCoder Beginner Contest 422 | 2394 | 825 |  117 |
+96 | ||
| AtCoder Beginner Contest 448 | 4601 | 827 |  228 |
+111 |