Richardyin

UID: 3832, 注册于 2025-9-21 20:53:35, 最后登录于 2026-6-1 13:26:28, 最后活动于 2026-6-10 9:01:30.

解决了 4 道题目，RP: 11.1 (No. 472)

个人简介

该用户太懒，这里啥也没写 (´・ω・｀)
通过的题目
A1000
C2022A
C2022C1
C2023A
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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