UID: 140, Registered at 2024-3-17 10:06:20, last login at 2025-3-22 18:40:19, currently offline.
School : 国科英才科创学院
Solved 149 problems, RP: 0 (No. ?)
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This person is lazy and didn't write anything. -
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Problem Tags
- 前缀和
- 4
- 2018
- 2
- 数学
- 2
- 枚举,暴力
- 2
- 安徽
- 2
- 组合数学
- 1
- 差分
- 1