Solution to Gym-103081 Mentors (SWERC 2020 Problem F)
A combinatorics problem on tree. Read more
How I Built this Blog Using Hexo, Cloudflare Pages, and 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
Functors, Applicatives, and Monads in Haskell
Definitions, examples using Maybe and [], laws, and more. Read more
从QQ音乐导入收藏歌单到Spotify（2022年）
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
Educational Codeforces Round 118 - D. MEX Sequences Solution
View the problem here. Read more
简记重装Debian 11
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、带修莫队和树上莫队
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