porterlin's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| AtCoder Beginner Contest 416 | 7798 | 361 |  18 |
- | ||
| AtCoder Beginner Contest 417 | 2183 | 1188 |  200 |
+182 | ||
| AtCoder Beginner Contest 419 | 6542 | 507 | 244 |
+44 | ||
| AtCoder Beginner Contest 424 | 3000 | 898 |  368 |
+124 |