树荫下
UID: 1864, Registered at 2026-3-2 20:23:59, last login at 2026-5-26 15:37:44, last active at 2026-5-29 18:01:04.
Solved 5 problems, RP: 5 (No. 1876)
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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.
Problem Tags
- CSP
- 5
- 其他
- 2
- 位运算
- 2
- 模拟
- 1