lzh

UID: 42522, Registered at 2026-6-1 19:36:32, last login at 2026-6-1 19:36:32, last active at 2026-6-4 16:20:10.

Solved 1 problems, RP: 4 (No. 17284)

Bio

This person is lazy and didn't write anything.
Accepted Problems
P14389
Recent Activities

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

二叉树: 1