KY.

UID: 5252, Registered at 1 year ago, last login at 1 year ago, currently offline.

Solved 20 problems, RP: 89 (No. 1576)

This person is lazy and didn't write anything.

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

蚂蚁: 4
华为: 3
美团: 3
携程: 2
科大讯飞: 1
百度: 1
阿里系: 1
小红书: 1
腾讯: 1
京东: 1
寒气华のod: 1
MD: 1