ddonn

UID: 1038, Registered at 2 years ago, last login at 1 year ago, currently offline.

Solved 15 problems, RP: 68.78 (No. 1633)

This person is lazy and didn't write anything.

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

美团: 5
华为: 3
寒气华のod: 2
京东: 2
入门教程: 1
腾讯音乐: 1
微众银行: 1