治愈的柯基6428

UID: 56016, Registered at 2026-9-13 11:26:12, last login at 2026-9-13 11:26:12, last active at just now.

Solved 2 problems, RP: 11 (No. 17952)

Bio

This person is lazy and didn't write anything.
Accepted Problems
P5424
P5425
Recent Activities

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

选择题: 1
图论: 1