> For the complete documentation index, see [llms.txt](https://blog.yushunchen.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://blog.yushunchen.com/algo/hash-table.md).

# Hash Table

- [Rehashing](https://blog.yushunchen.com/algo/hash-table/rehashing.md): ID: 129; medium
- [Valid Anagram](https://blog.yushunchen.com/algo/hash-table/valid-anagram.md): ID: 242; easy
- [Two Sum](https://blog.yushunchen.com/algo/hash-table/two-sum.md): ID: 1; Easy
- [Contiguous Array](https://blog.yushunchen.com/algo/hash-table/contiguous-array.md): ID: 525; medium
- [Anagrams](https://blog.yushunchen.com/algo/hash-table/anagrams.md): ID: 171; medium
- [Remove Duplicate Numbers in Array](https://blog.yushunchen.com/algo/hash-table/remove-duplicate-numbers-in-array.md): ID: 521; easy
- [Friendship Service](https://blog.yushunchen.com/algo/hash-table/friendship-service.md): ID: 560; easy