Pengecut

UID: 13072, Registered at 2024-10-22 20:56:02, last login at 2025-10-21 14:51:19, currently offline.

Solved 2 problems, RP: 9 (No. 8876)

Bio

This person is lazy and didn't write anything.
Accepted Problems
P3844
P3845
Recent Activities

This person is lazy and didn't join any contests or homework.

树结构: 1
最近公共祖先: 1
贪心: 1
其他: 1
二分查找: 1