coal's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| Toyota Programming Contest 2024#4（AtCoder Beginner Contest 348） | 9407 | - | - | - | ||
| Ｓｋｙ Inc, Programming Contest 2025 (AtCoder Beginner Contest 434) | 7194 | 155 |  8 |
- | ||
| AtCoder Beginner Contest 435 | 8311 | 202 | 28 |
+20 | ||
| AtCoder Beginner Contest 436 | 9338 | 145 | 43 |
+15 |