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Update 7.3折半查找.md

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2022-03-29 11:49:34 +08:00
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7.3折半查找.md
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@@ -35,25 +35,25 @@ int Binary_Search(SSTable L, ElemType key){
### 三、查找效率分析 ### 三、查找效率分析
![uTools_1638256115837](F:\408数据结构\图片\uTools_1638256115837.png) ![uTools_1638256115837](https://github.com/oxyanyano/2022-WangDao-CS-DS-Notes/blob/main/images/uTools_1638256115837.png)
### 四、折半查找判定树的构造 ### 四、折半查找判定树的构造
#### 构造： #### 构造：
![uTools_1638256209356](F:\408数据结构\图片\uTools_1638256209356.png) ![uTools_1638256209356](https://github.com/oxyanyano/2022-WangDao-CS-DS-Notes/blob/main/images/uTools_1638256209356.png)
![uTools_1638256305668](F:\408数据结构\图片\uTools_1638256305668.png) ![uTools_1638256305668](https://github.com/oxyanyano/2022-WangDao-CS-DS-Notes/blob/main/images/uTools_1638256305668.png)
![uTools_1638256324365](F:\408数据结构\图片\uTools_1638256324365.png) ![uTools_1638256324365](https://github.com/oxyanyano/2022-WangDao-CS-DS-Notes/blob/main/images/uTools_1638256324365.png)
#### 特性： #### 特性：
![uTools_1638256454841](F:\408数据结构\图片\uTools_1638256454841.png) ![uTools_1638256454841](https://github.com/oxyanyano/2022-WangDao-CS-DS-Notes/blob/main/images/uTools_1638256454841.png)
查找表有n个关键字，则失败结点有n+1个 查找表有n个关键字，则失败结点有n+1个
![uTools_1638256551359](F:\408数据结构\图片\uTools_1638256551359.png) ![uTools_1638256551359](https://github.com/oxyanyano/2022-WangDao-CS-DS-Notes/blob/main/images/uTools_1638256551359.png)
与`折半查找判定树`的高度h有关。高度越小，查找效率越高 与`折半查找判定树`的高度h有关。高度越小，查找效率越高
@@ -61,4 +61,4 @@ int Binary_Search(SSTable L, ElemType key){
最坏情况，平均查找长度=$$O(n)$$ 最坏情况，平均查找长度=$$O(n)$$
则`时间复杂度`=$$O(log_2n)$$ 则`时间复杂度`=$$O(log_2n)$$