YHF

UID: 2814, Registered at 2 years ago, last login at 1 year ago, currently offline.

Solved 15 problems, RP: 64.5 (No. 2470)

♂

This person is lazy and didn't write anything.

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

美团: 9
小红书: 3
京东: 2
阿里系: 1