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krahets
2023-07-25 16:42:55 +08:00
parent 0760e0865e
commit 902087ec81
23 changed files with 154 additions and 177 deletions
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chapter_tree/binary_tree_traversal.md
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@@ -385,7 +385,7 @@ comments: true
=== "Python"
```python title="binary_tree_dfs.py"
def pre_order(root: TreeNode | None) -> None:
def pre_order(root: TreeNode | None):
"""前序遍历"""
if root is None:
return
@@ -394,7 +394,7 @@ comments: true
pre_order(root=root.left)
pre_order(root=root.right)
def in_order(root: TreeNode | None) -> None:
def in_order(root: TreeNode | None):
"""中序遍历"""
if root is None:
return
@@ -403,7 +403,7 @@ comments: true
res.append(root.val)
in_order(root=root.right)
def post_order(root: TreeNode | None) -> None:
def post_order(root: TreeNode | None):
"""后序遍历"""
if root is None:
return