Echia's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| ALGO ARTIS Programming Contest 2025 Summer（AtCoder Heuristic Contest 054） | 865 | 726 |  108 |
- | ||
| RECRUIT Nihonbashi Half Marathon 2025 Autumn （AtCoder Heuristic Contest 055） | 621 | 998 |  244 |
+138 | ||
| HACK TO THE FUTURE 2026 （AtCoder Heuristic Contest 056） | 1065 | - | - | - | ||
| AtCoder Heuristic Contest 057 | 579 | 848 |  350 |
+113 |