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UID: 9206, 注册于 2022-6-25 17:02:28, 最后登录于 2023-7-24 10:47:45, 目前离线.

解决了 2 道题目，RP: 7 (No. 3940)

个人简介

该用户太懒，这里啥也没写 (´・ω・｀)
通过的题目
H1000
H1008
最近活动

This person is lazy and didn't join any contests or homework.
最近编写的题解

This person is lazy and didn't write any solutions.
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LCA: 1