KCN

UID: 3, 注册于 2026-9-21 20:47:03, 最后登录于 2026-9-22 13:15:59, 最后活动于 2026-9-24 17:27:09.

解决了 3 道题目，RP: 30 (No. 2)

个人简介

该用户太懒，这里啥也没写 (´・ω・｀)
通过的题目
5
7
9
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.

一本通编程启蒙: 3