UID: 152, Registered at 2024-3-17 10:06:22, last login at 2024-7-20 14:24:25, currently offline.
School : 海星幼儿园
Solved 59 problems, RP: 0 (No. ?)
This user was banned.
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Bio
个人简介暂不可见。 -
Accepted Problems
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Recent Activities
This person is lazy and didn't join any contests or homework.
Problem Tags
- 前缀和
- 3
- 组合数学
- 1
- 差分
- 1