ak47_'s Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| AtCoder Regular Contest 123 | 1594 | 1020 |  94 |
- | ||
| AtCoder Beginner Contest 213 | 2958 | 863 |  239 |
+145 | ||
| AtCoder Beginner Contest 215 | 2384 | 1013 |  422 |
+183 | ||
| AtCoder Beginner Contest 216 | 5202 | 228 |  363 |
-59 |