colon's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| AtCoder Beginner Contest 230 | 5604 | - | - | - | ||
| AtCoder Beginner Contest 291（Sponsored by TOYOTA SYSTEMS） | 5317 | 289 |  14 |
- | ||
| AtCoder Beginner Contest 292 | 4674 | 471 | 59 |
+45 | ||
| AtCoder Beginner Contest 293 | 4951 | 514 |  111 |
+52 |