神秘的布偶1821

UID: 55417, Registered at 2026-9-10 17:37:27, last login at 2026-9-10 17:37:27, last active at 2026-9-13 22:23:08.

Solved 2 problems, RP: 17.43 (No. 15677)

Bio

This person is lazy and didn't write anything.
Accepted Problems
P5337
P5412
Recent Activities

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

模拟: 1
贪心: 1