青山
UID: 43651, Registered at 2026-6-16 15:47:41, last login at 2026-6-29 23:07:35, last active at 2026-7-4 22:55:02.
Solved 29 problems, RP: 131 (No. 4412)
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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
- 数据结构
- 4
- 栈
- 3
- 堆
- 1