4 Kyu
HydrogenOxygen 
| Country/Region |  China |
|---|---|
| Birth Year | 2014 |
| Codeforces ID | HydrogenOxygen |
| Affiliation | 长沙市雅礼中学 |
Contest Status
| Rank | 8952nd (Top 7%) |
|---|---|
| Rating |  1286
|
| Highest Rating | 1286
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4 Kyu
(+114 to promote)
|
| Rated Matches | 52 |
| Last Competed | 2026/08/01 |