liujuan
UID: 607, 注册于 2025-3-7 15:29:14, 最后登录于 2025-4-11 9:39:59, 目前离线.
解决了 161 道题目，RP: 0 (No. ?)
-
个人简介
该用户太懒，这里啥也没写 (´・ω・｀) -
通过的题目
-
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.
题目标签
- 组合数学
- 1
- 差分
- 1