I_S's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| Japanese Student Championship 2021 | 3521 | 111 |  6 |
- | ||
| AtCoder Regular Contest 117 | 2210 | 709 | 61 |
+55 | ||
| AtCoder Beginner Contest 199（Sponsored by Panasonic） | 4403 | 605 |  123 |
+62 | ||
| ZONe Energy Programming Contest | 4205 | 485 | 167 |
+44 |