KK1ZIVqWr9

UID: 41024, Registered at 2026-5-18 3:00:37, last login at 2026-5-27 20:25:32, currently offline.

Solved 2 problems, RP: 13 (No. 13577)

Bio

This person is lazy and didn't write anything.
Accepted Problems
P4907
P4966
Recent Activities

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

模拟: 1
二叉树: 1