1. Introduction: Breaking the lgn Barrier 2. Rectangular Arrays 3. Tables of Various Shapes 4. Tables: A New Abstract Data Type 5. Application: Radix Sort

1. Stack Specifications 2. Implementation of Stacks 3. Application: A Desk Calculator 4. Application: Bracket Matching 5. Abstract Data Types and Their Implementations 6. Pointers and Pitfalls

1、对于3个结点A，B，C可组成多少种不同的二叉树？请画出。 2、写出图中所示的树的叶子结点，非终端结点的度和树深

Sorting: There is a series of data in random order, we sort them depending a certain key word. Datalist: an finity set of data waiting to be sorted. Key: data object has many attribute areas, namely there are many data element, one of all these elements can be used to distinguish object, we use it as sorting key. we also call it sorting code

【Definition】An Abstract Data Type (ADT) is a data type that is organized in such a way that the specification on the objects and specification of the operations on the objects are separated from the representation of the objects and the implementation on the operations

一、单选题 [从供选择的答案中选出正确的答案，将其编号填入下列叙述中的( )内]（每小题 3 分， 共 24 分） (1) 向一个有 127 个元素的顺序表中插入一个新元素并保持原来顺序不变，平均要移动（ A ）个 元素

1、已知L是无表头结点的单链表，且P结点既不是首结点，也不是尾节点， 试从下列提供的答案中选择合适的 语句序列。 A、在P结点后插入S结点的语句序列是_________ B 、在P结点前插入S结点的语句序列是_________ C、在表首插入S结点的语句序列________ D、在表尾插入S结点的语句序列_________

一、单选题 [在供选择的答案中选择与下列各括号中内容相匹配的答案，把其编号与其各括号的标识对应 起来] （每小题 3 分，共 24 分) (1) 用单链表表示的链式队列的队头在链表的（ A ）位置。 (2) 如果只想得到 1024 个元素组成的序列中第 5 个最小元素之前的部分排序的序列，用（ B ）方 法最快

一、单选题(每题1分,共16分) ()1.在一个图中,所有顶点的度数之和等于图的边数的倍。 A.1/2 B.1 C.2 D.4

11.1 Binary Search Trees 1.Definition: A binary search tree is a binary tree that may be empty. nonempty binary search tree satisfies the following properties: 1)Every element has a key and no two elements have the same key: therefore,all keys are distinct