pengzi

UID: 3309, Registered at 2 years ago, last login at 1 year ago, currently offline.

Solved 2 problems, RP: 8 (No. 6842)

♂

This person is lazy and didn't write anything.

P1019

P1021

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

华为: 1
农行: 1