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# 7.   树

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![树](../assets/covers/chapter_tree.jpg){ width="600" }

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## 本章内容

- [7.1 &nbsp; 二叉树](https://www.hello-algo.com/chapter_tree/binary_tree/)
- [7.2 &nbsp; 二叉树遍历](https://www.hello-algo.com/chapter_tree/binary_tree_traversal/)
- [7.3 &nbsp; 二叉树数组表示](https://www.hello-algo.com/chapter_tree/array_representation_of_tree/)
- [7.4 &nbsp; 二叉搜索树](https://www.hello-algo.com/chapter_tree/binary_search_tree/)
- [7.5 &nbsp; AVL 树 *](https://www.hello-algo.com/chapter_tree/avl_tree/)
- [7.6 &nbsp; 小结](https://www.hello-algo.com/chapter_tree/summary/)