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            UID: 839, Registered at 2025-3-14 20:18:36, last login at 2025-7-25 18:16:52, currently offline.
Solved 13 problems
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| # | Date | Contest | Rank | New Rating | Δ | 
|---|---|---|---|---|---|
| 3 | 2025-07-18 20:00:00 | 代码源挑战赛 Round 21 | |||
| 2 | 2025-04-04 20:00:00 | 代码源挑战赛 Round 6 | 66 | 1093 | 70 | 
| 1 | 2025-03-14 20:00:00 | 代码源挑战赛 Round 3 | 124 | 1023 | 
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