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krahets
2023-04-09 05:30:47 +08:00
parent 37f11aff68
commit 2289822dfd
13 changed files with 59 additions and 58 deletions
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chapter_tree/binary_tree.md
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@@ -33,8 +33,8 @@ comments: true
=== "Python"
```python title=""
""" 二叉树节点类 """
class TreeNode:
"""二叉树节点类"""
def __init__(self, val: int):
self.val: int = val # 节点值
self.left: Optional[TreeNode] = None # 左子节点指针
@@ -196,7 +196,7 @@ comments: true
=== "Python"
```python title="binary_tree.py"
""" 初始化二叉树 """
# 初始化二叉树
# 初始化节点
n1 = TreeNode(val=1)
n2 = TreeNode(val=2)
@@ -338,7 +338,7 @@ comments: true
=== "Python"
```python title="binary_tree.py"
""" 插入与删除节点 """
# 插入与删除节点
p = TreeNode(0)
# 在 n1 -> n2 中间插入节点 P
n1.left = p
@@ -526,7 +526,7 @@ comments: true
=== "Python"
```python title=""
""" 二叉树的数组表示 """
# 二叉树的数组表示
# 直接使用 None 来表示空位
tree = [1, 2, 3, 4, None, 6, 7, 8, 9, None, None, 12, None, None, 15]
```