Solution to Gym-103081 Mentors (SWERC 2020 Problem F)
A combinatorics problem on tree. Read more
I Write $\sin(x)$ Not Tragedies
A combinatorics problem on tree. Read more
A very brief record on how to build and customize a Hexo blog, migrate from WordPress, and deploy it on Cloudflare Pages. Read more
Definitions, examples using Maybe and [], laws, and more. Read more
早年在 QQ 音乐收藏了600+首歌,后来因为各种原因转用Spotify。很想把歌单导出,但网路上现有的脚本基本都失效了,歌单转换平台 Soundiiz 也并不支持 QQ 音乐这个平台。 Read more
View the problem here. Read more
因为自己脑子有问题把系统搞炸了,在朋友帮助下进行了一个重装系统。简记过程。 Read more
莫队算法是基于分块思想的区间查询离线算法。带修莫队支持单点修改。树上莫队则是使用欧拉序将树序列化后,套用莫队算法。 Read more