UID: 143, Registered at 2024-3-17 10:06:21, last login at 2024-7-2 20:35:23, currently offline.
School : 国科英才科创学院
Solved 56 problems, RP: 0 (No. ?)
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Problem Tags
- 组合数学
- 1
- 差分
- 1
- 数学
- 1
- 枚举,暴力
- 1