> For the complete documentation index, see [llms.txt](https://llssff.gitbook.io/coding-problems/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://llssff.gitbook.io/coding-problems/master.md).

# Overview

Start date: 12/4/2020

Goal: 300 problems

language used: Java, Go lang(hang me)