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UID: 10149, 注册于 2023-9-28 19:48:41, 最后登录于 2024-11-23 19:50:40, 目前离线.

解决了 2 道题目，RP: 15.7 (No. 135)

个人简介

该用户太懒，这里啥也没写 (´・ω・｀)
通过的题目
P447
P450
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.

800: 1
1200: 1