安静的沙丘

UID: 50127, Registered at 2026-8-16 23:48:35, last login at 2026-8-16 23:48:35, currently offline.

Solved 2 problems, RP: 14.5 (No. 15368)

Bio

This person is lazy and didn't write anything.
Accepted Problems
P5197
P5198
Recent Activities

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

选择题: 1
模拟: 1