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notes on balanced

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marina 2023-08-03 15:56:35 -07:00 • committed by GitHub
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@ -39,6 +39,26 @@ def height(root):
<br>
---
#### find if balanced
<br>
```python
def is_balanced(root):
if not root:
return True
return abs(height(root.left) - height(root.right)) < 2 and \
is_balanced(root.left) and is_balanced(root.right)
```
<br>
---
#### predecessor and successor
<br>