2530111361
UID: 2902, Registered at 2025-10-12 12:27:03, last login at 2025-12-25 21:13:08, currently offline.
Solved 35 problems, RP: 146 (No. 195)
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Bio
This person is lazy and didn't write anything. -
Accepted Problems
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Recent Activities
This person is lazy and didn't join any contests or homework. -
Recent Solutions
This person is lazy and didn't write any solutions.
Problem Tags
- 组合数学
- 17
- 动态规划
- 2
- 计数
- 2
- catalan数
- 1
- stirling数
- 1