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RICHARDH's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| AtCoder Regular Contest 155 | 1022 | - | - | - | ||
| Ｓｋｙ Inc, Programming Contest 2023（AtCoder Beginner Contest 289） | 2677 | 939 |  77 |
- | ||
| AtCoder Regular Contest 156 | 2070 | 793 |  198 |
+121 |