知秋

UID: 10709, 注册于 2026-9-28 23:17:47, 最后登录于 2026-10-5 12:09:49, 最后活动于 2026-10-11 19:25:28.

解决了 2 道题目，RP: 8 (No. 209)

个人简介

该用户太懒，这里啥也没写 (´・ω・｀)
通过的题目
1
458
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.

系统测试: 1