Solved! Difficulty: Div2E 思考题for everyone Dynamic DP You are given: integer arrays A and dp of length N. integer arrays l and r of length N. For each 2\leq i\leq N,1\leq l_i\leq r_i\leq i-1 Known: dp_1=A_1 dp_i=min(dp[l_i,r_i])+A_i for 2\l……

更新内容 根据SYR神犇要求，在网站上添加代码编辑器。使用了ACE，而且还贴心的设计了自定义编辑器的功能。可以自己调样式、字体、自动补全等…… 同时提供了可供管理员自定义的Preference系统（就是用户参数表……）。可以修改源码增加Preference。 修复了一些BUG 注意：……

Member: Chairman Jing, XGN, ZJS, XZM, ZHD Also In: Dummy Rong,HTC Problem Solver FST A All ZHD(hacked) B All None C All ZHD(unfinished) D Chairman Jing ZHD(unfinished) E Unsolved F Unsolved

The story of Tengfei Episode 2 - The TengFei University Exam Hi, I am your friend ZJS again! As we know, in China we have 高考(University Exam) and in Tengfei country, we have two colleges: one is a special university called 腾飞国大学(Tengfei Univ……

HHSOJ is back at the new location here with version 1.11 running in Linux 🙂 For ZJS: Plz update it to 1.11.1 thx! UPD: You can use the domain to visit it now!

The Story Of TengFei Ep.1 - The introduction of Tengfei Hi, I am ZJS! Your lovely♂friend~ I am from TengFei country. A country far to the East. In this series, I will lead you into the beauty of Tengfei. Introduction Name English: Tengfei Chinese:……

还是中文好…… 我顺便看一下你昨天的游记ZKY Problem A 蜜汁匹配…… 写6维DP写了40？？YCS神犇好像写了50？ 神犇和我期望分数XGN40SYR20ZKY50Charlie Yan50 Problem B 流浪地球的梗？？一道树上问题 写了next_permutation连20分都跑不到，人家搜索搜的……

Member: Chairman Jing and XGN Also: Dummy Rong 19:35 2019/4/6 Pretest Passed: A,B,C,D,E ProblemSolverFSTABothNOBBothNOCCM.J.NODCM.J.NOEXGNNO A good competition 🙂

应XZM要求，这次改用中文 I told you there was nothing wrong with %I64d and %lld!XGN 预言：6题省选题中至少有3题和数据结构有关 Problem A 给出长度为N的整数数组A。求出A中区间异或值最大的K个的异或和。 好吧，其实60分很好拿（N小于等于1000）。但……

JSOI 2019 Diary Day 0 I came from the White House --ZKY Morning Get up at 7:40(can't sleep well) then watched Anime until 10am. Gonna take a Didi to South Station but waited for 20 minutes without seeing a car come. Then finally get a Didi Zhua……