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krahets
2023-02-08 22:16:25 +08:00
parent 30ed83e5b1
commit af3542e3c0
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chapter_tree/binary_tree_traversal.md
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@@ -165,7 +165,7 @@ comments: true
```csharp title="binary_tree_bfs.cs"
/* 层序遍历 */
public List<int?> hierOrder(TreeNode root)
List<int> hierOrder(TreeNode root)
{
// 初始化队列，加入根结点
Queue<TreeNode> queue = new();
@@ -183,7 +183,6 @@ comments: true
}
return list;
}
```
=== "Swift"