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algo4j's Introduction

Hi there 👋 I go by Tesla Zhang. Typical social media usernames include ice1000 or tizusa.

  • 🌱 I have a personal website, where my resume is also hosted.
  • 👨‍💻 I'm currently working on:
    • Session type research with my advisor Stephanie Balzer.
    • The Aya language with some interesting ideas. Goal: make it practical, same as Idris2!
      • The website contains installation instructions and basic tutorials. Stay tuned for more!
    • Automated theorem proving with Chase Norman.
  • 💬 Ask me about IDEs, type theories, implementation of (univalent) dependent type systems, and 3A yoyoing!

Where to find my writings

  • (graduate, English) Some academic articles are uploaded to arXiv and my research blog.

  • (graduate, 中文) Chenjing Bu is building Banana Space (香蕉空间), a modern math wiki in Chinese. I mainly contribute to type theory stuffs and related areas inspired from another contributor Trebor.

    如果您想要学习类型论,且对阅读英语感到困难,我非常推荐您浏览香蕉空间的相关板块,这些内容主要面向有一定数学背景的读者。如果您对其中的内容有疑问,请联系我。

  • (late college, 中文) Basic type theory tutorials & guides on 茶饭.

  • (mid and late college, English) Thoughts / tutorials about Agda, cubical, and PL design on the Aya website.

  • (pre and early college, 中文) Loads of low-quality contents, those can be found on 知乎 and my old blog (deleted). I strongly discourage anyone to read them -- unless you explicitly intend to humiliate me.

Fun stuffs

Visit count (since 23 Feb 2023):

algo4j's People

Contributors

ice1000 avatar phosphorus15 avatar ray-eldath avatar

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algo4j's Issues

Union set

path compression and heuristic merge

trie

Trie : Map<string, T>

big int

plus
minus
multi
div
remainder

预排序遍历树算法

数据量很大,如何快速+分页+排序,查询tree。不考虑mysql的function、procedure。
数据存储格式参考:http://blog.csdn.net/monkey_d_meng/article/details/6647488

两种数据结构:id/pid与id/lft/rgt,分别标记为t1、t2

  • 存储、修改、删除
    使用t1,然后,开异步任务,同步数据到t2
  • 查询
    使用t2,且,分页。在后端加工数据为树形结构。示例:
    {
    id:1,
    child:[
    {id:2},
    {id:3}
    ]
    }

sortings

including multithreading quick sort

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