qsona's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| AtCoder Beginner Contest 140 | 4107 | 294 |  15 |
- | ||
| AtCoder Beginner Contest 141 | 2441 | 744 | 89 |
+74 | ||
| AtCoder Grand Contest 038 | 1115 | 442 |  134 |
+45 |