> ## Documentation Index
> Fetch the complete documentation index at: https://leetcode-py.wisl.dev/llms.txt
> Use this file to discover all available pages before exploring further.

> ## Agent Instructions
> leetcode-py is a Python LeetCode practice environment generator with one CLI: lcpy. It is not a service or platform.
> Each problem is a directory under leetcode/ with README.md, solution.py, test_solution.py, helpers.py, and playground.ipynb. lcpy gen creates them from JSON templates bundled with the package.
> Examples are backed by tests; copy them verbatim.

# LeetCode Problem Catalog: All Collections

> Every problem in every collection, generated from the JSON templates so counts never go stale.

All 1405 problems across 7 collections, generated straight from the templates so counts never go stale. See [Collections](https://leetcode-py.wisl.dev/cli/collections.md) for what each list is.

Browse by difficulty: [Easy](https://leetcode-py.wisl.dev/catalog/easy.md), [Medium](https://leetcode-py.wisl.dev/catalog/medium.md), [Hard](https://leetcode-py.wisl.dev/catalog/hard.md). Browse by topic: [Topics](https://leetcode-py.wisl.dev/catalog/topics.md).

| Collection | Problems | Easy | Medium | Hard |
| - | - | - | - | - |
| [All Problems](https://leetcode-py.wisl.dev/catalog/all.md) | 1405 | 309 | 820 | 276 |
| [Grind 75](https://leetcode-py.wisl.dev/catalog/grind-75.md) | 75 | 23 | 43 | 9 |
| [Grind](https://leetcode-py.wisl.dev/catalog/grind.md) | 169 | 40 | 103 | 26 |
| [Blind 75](https://leetcode-py.wisl.dev/catalog/blind-75.md) | 75 | 19 | 49 | 7 |
| [NeetCode 150](https://leetcode-py.wisl.dev/catalog/neetcode-150.md) | 150 | 28 | 100 | 22 |
| [NeetCode 250](https://leetcode-py.wisl.dev/catalog/neetcode-250.md) | 250 | 60 | 154 | 36 |
| [NeetCode All](https://leetcode-py.wisl.dev/catalog/neetcode.md) | 943 | 211 | 583 | 149 |
| [AlgoMaster 75](https://leetcode-py.wisl.dev/catalog/algo-master-75.md) | 75 | 7 | 53 | 15 |

Every problem directory ships the same [six files](https://leetcode-py.wisl.dev/practice/problem-anatomy.md).


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