幸福

UID: 1972, Registered at 2024-9-23 14:44:05, last login at 2024-10-26 18:04:48, currently offline.

Solved 2 problems, RP: 6 (No. 1420)

Bio

This person is lazy and didn't write anything.
Accepted Problems
P202223
P1059
Recent Activities

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

This person is lazy and didn't write any solutions.

其他: 1
数学: 1
入门之前: 1