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Bug fixes and improvements (#1318)

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* Sync zh and zh-hant versions

* Update en/README.md

* Add a Q&A for chapter of introduction

* Update the callout headers

* Sync zh ang zh-hant versions

* Bug fixes
This commit is contained in:
Yudong Jin
2024-04-30 15:52:05 +08:00
committed by GitHub
parent 84b1ce2497
commit 870e3e5cb2
107 changed files with 779 additions and 87 deletions
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codes/python/chapter_tree/array_binary_tree.py
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@ -22,7 +22,7 @@ class ArrayBinaryTree:
"""列表容量"""
return len(self._tree)
def val(self, i: int) -> int:
def val(self, i: int) -> int | None:
"""获取索引为 i 节点的值"""
# 若索引越界，则返回 None ，代表空位
if i < 0 or i >= self.size():