李佳憬

UID: 1350, 注册于 6 个月前, 最后登录于 1 个月前, 目前离线.

解决了 2 道题目，RP: 3 (No. 1690)

该用户太懒，这里啥也没写 (´・ω・｀)

Y1000

Y1001

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