lucas

UID: 2, 注册于 2026-6-12 9:13:15, 最后登录于 2026-8-29 19:30:32, 最后活动于 2026-10-9 15:58:21.

解决了 8 道题目，RP: 0 (No. ?)

SU

个人简介

该用户太懒，这里啥也没写 (´・ω・｀)
通过的题目
P3000

P3001
P2013

P2017
P2018

P2528
286

287
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.

动态规划: 3
树形DP: 3
反悔贪心: 2
dfs: 2
树: 2
换根DP: 1