_HappyCoder_'s Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| AtCoder Beginner Contest 417 | 6336 | 519 |  27 |
- | ||
| AtCoder Beginner Contest 421 | 10247 | - | - | - |
_HappyCoder_'s Competition History| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| AtCoder Beginner Contest 417 | 6336 | 519 | 27 |
- | ||
| AtCoder Beginner Contest 421 | 10247 | - | - | - |