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UID: 4273, Registered at 2026-1-23 19:29:48, last login at 2026-7-31 16:21:46, last active at 2026-8-2 11:31:11.
Solved 7 problems
Followed by 0 users
| # | Date | Contest | Rank | New Rating | Δ |
|---|---|---|---|---|---|
| 2 | 2026-02-13 20:00:00 | 代码源挑战赛 Round 49 | 221 | 782 | -108 |
| 1 | 2026-01-23 20:00:00 | 代码源挑战赛 Round 47 | 224 | 890 |
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