完成查找
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README.md
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- [最短路径](ch6/applications/README.md#2-最短路径)
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- [拓扑排序](ch6/applications/README.md#3-拓扑排序)
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- [关键路径](ch6/applications/README.md#4-关键路径)
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## 8. [查找](ch7/README.md#查找)
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- [查找](ch7/README.md#1-基本概念)
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- [顺序查找](ch7/README.md#2-顺序查找)
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- [折半查找](ch7/README.md#3-折半查找)
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- [分块查找](ch7/README.md#4-分块查找)
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- [B 树](ch7/README.md#5-B-树)
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- [B+树](ch7/README.md#6-B+-树)
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- [散列表](ch7/README.md#7-散列表)
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- [串](ch4/README.md#串)
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- [基本概念](ch4/README.md#1-定义)
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- [模式匹配(KMP)](ch4/README.md#6-KMP-算法)
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# 查找
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## 1. 基本概念
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## 2. 顺序查找
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## 3. 折半查找
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## 4. 分块查找
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## 5. B 树
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### 5.1. 插入
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#### 5.1.1. 直接插入
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#### 5.1.2. 向上分裂
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### 5.2. 删除
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#### 5.2.1. 终端结点
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- 直接删除。
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- 兄弟够借。
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- 兄弟不够借。
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#### 5.2.2. 非终端结点
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- 删除前驱节点的最大值。
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- 删除后继结点的最小值。
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- 合并子结点。
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## 6. B+ 树
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> 考研中对 B+ 树之考查定义;对 B 树既考察定义,也考察操作。
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## 7. 散列表
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### 7.1. 基本概念
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### 7.2. 散列函数
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### 7.3. 冲突处理
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### 7.4. 性能分析
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