实验4-群体类和群体数据---吕恩在(共15页).doc

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1、精选优质文档-倾情为你奉上学校代码： 学 号： 面向对象程序设计实验报告（题 目：群体类和群体数据学生姓名：学 院：系 别：专 业：班 级：任课教师： 二一五年十二月群体类和群体数据一、 实验目的1. 了解节点类的声明和实现，学习其使用方法2. 了解链表类的声明和实现，学习其使用方法3. 了解栈类的声明和实现，学习其使用方法4. 了解队列类的声明和实现，学习其使用方法5. 掌握对数组元素排序的方法6. 掌握对数组元素查找的方法二、实验任务1.编写程序Node.h实现例9-5的节点类，并编写测试程序lab9_1.cpp，实现链表的基本操作2.编写程序link.h实现例9-6的链表类，在测试程序l

2、ab_2.cpp中声明两个整型链表A和B，分别插入5元素，然后把B中的元素加入A的尾部3.编写程序queue.h，用链表实现队列（或栈），在测试程序lab9_3.cpp中声明一个整型队列（或栈）对象，插入5个整数，压入队列（或栈），再依次取出并显示出来。4.（选做）声明course（课程）类，有属性：课程名char name21、成绩short score；在实验七的student类中增加属性；所修课程course，为课程类对象的链表。在测试程序中测试这个类，学生类与课程类关系如图5. 将直接插入排序、直接选择排序、冒泡排序、顺序查找函数封装到第九章的数组类中，作为成员函数，实现并测试这个类三

3、、实验内容：1. /9-5.h#ifndef NODE_CLASS#define NODE_CLASStemplate class Node private: Node *next; /指向后继节点的指针 public: T data; /数据域 Node (const T& item, Node* ptrnext = NULL); void InsertAfter(Node *p); Node *DeleteAfter(void); Node *NextNode(void) const;template Node:Node(const T& item, Node* ptrnext) : da

4、ta(item), next(ptrnext) template Node *Node:NextNode(void) const return next;template void Node:InsertAfter(Node *p) p-next = next; /p节点指针域指向当前节点的后继节点 next = p; /当前节点的指针域指向ptemplate Node *Node:DeleteAfter(void)Node *tempPtr = next; /将欲删除的节点地址存储到tempPtr中 if (next = NULL) /如果当前节点没有后继节点，则返回NULL return

5、NULL; next = tempPtr-next; /使当前节点的指针域指向tempPtr的后继节点 return tempPtr; /返回被删除的节点的地址#endif / NODE_CLASS/Node.h#ifndef NODE_LIBRARY#define NODE_LIBRARY#include #include #include 9_5.husing namespace std;template Node *GetNode(const T& item, Node *nextPtr = NULL) Node *newNode; newNode = new Node(item, ne

6、xtPtr); if (newNode = NULL) /如果分配内存失败，程序中止 cerr Memory allocation failure! endl; exit(1); return newNode;enum AppendNewline noNewline,addNewline;template void PrintList(Node *head, AppendNewline addnl = noNewline) Node *currPtr = head; while(currPtr != NULL) if(addnl = addNewline) cout data endl; el

7、se cout data NextNode(); template int Find(Node *head, T& item, Node* &prevPtr) Node *currPtr = head; /从第一个结点开始遍历 prevPtr = NULL; while(currPtr != NULL) if (currPtr-data = item) return 1; prevPtr = currPtr; /记录下当前结点的地址 currPtr = currPtr-NextNode(); return 0; /找不到时template void InsertFront(Node* & he

8、ad, T item) head = GetNode(item,head);template void InsertRear(Node* & head, const T& item) Node *newNode, *currPtr = head; if (currPtr = NULL) InsertFront(head,item); else while(currPtr-NextNode() != NULL) currPtr = currPtr-NextNode(); newNode = GetNode(item); currPtr-InsertAfter(newNode); template

9、 void DeleteFront(Node* & head) Node *p = head; /取得将被删除的结点的地址 if (head != NULL) / 确认链表不空 head = head-NextNode(); / 将表头指针head移向第二个结点 delete p; /删除原第一个结点 template void Delete (Node* & head, T key) Node *currPtr = head, *prevPtr = NULL; if (currPtr = NULL) return; while (currPtr != NULL & currPtr-data

10、!= key) / currPtr前行，prevPtr跟随其后 prevPtr = currPtr; currPtr = currPtr-NextNode(); if (currPtr != NULL) if(prevPtr = NULL) /找到的是链表第一个结点 head = head-NextNode(); else prevPtr-DeleteAfter(); delete currPtr; /释放被删除的结点所占的内存空间 template void InsertOrder(Node* & head, T item) Node *currPtr, *prevPtr, *newNode

11、; prevPtr = NULL; currPtr = head; while (currPtr != NULL) if (item data) break; / currPtr前行，prevPtr跟随其后 prevPtr = currPtr; currPtr = currPtr-NextNode(); if (prevPtr = NULL) /如果插入点在表头 InsertFront(head,item); else newNode = GetNode(item); prevPtr-InsertAfter(newNode); template void ClearList(Node * &h

12、ead) Node *currPtr, *nextPtr; currPtr = head; while(currPtr != NULL) nextPtr = currPtr-NextNode(); delete currPtr; currPtr = nextPtr; /使指针currPtr指向下一个结点 head = NULL; /将头结点置为NULL，标志着链表为空#endif / NODE_LIBRARY/lab9_1.cpp#include #include 9_5.h#include node.husing namespace std;int main() Node *head = N

13、ULL, *prevPtr, *delPtr; int i, key, item; for (i=0;i 10;i+) coutplease input i+1 number To insert a header :item; InsertFront(head, item); cout List: ; PrintList(head,noNewline); cout endl; cout key; prevPtr = head; while (Find(head,key,prevPtr) != NULL) if(prevPtr = NULL) /找到的是链表第一个结点 head = head-N

14、extNode(); else delPtr=prevPtr-DeleteAfter(); delete delPtr; cout List: ; PrintList(head,noNewline); cout endl; ClearList(head);运行结果：please input 1 number To insert a header :1please input 2 number To insert a header :2please input 3 number To insert a header :3please input 4 number To insert a head

15、er :4please input 5 number To insert a header :5please input 6 number To insert a header :6please input 7 number To insert a header :7please input 8 number To insert a header : 8please input 9 number To insert a header :9please input 10 number To insert a header :10List: 10 9 8 7 6 5 4 3 2 1请输入一个需要删

16、除的整数: 2List: 10 9 8 7 6 5 4 3 12. /link.h#ifndef LINKEDLIST_CLASS#define LINKEDLIST_CLASS#include #include using namespace std;#ifndef NULLconst int NULL = 0;#endif / NULL#include 9_5.htemplate class LinkedList private: Node *front, *rear; Node *prevPtr, *currPtr; int size; int position; Node *GetNo

17、de(const T& item,Node *ptrNext=NULL); void FreeNode(Node *p); void CopyList(const LinkedList& L); public: LinkedList(void); LinkedList(const LinkedList& L); /拷贝构造函数 LinkedList(void); LinkedList& operator= (const LinkedList& L); int ListSize(void) const; /返回链表中元素个数（size） int ListEmpty(void) const; /s

18、ize等于0时返回TRUE,否则返回FALSE void Reset(int pos = 0); void Next(void); /使prevPtr和currPtr移动到下一个节点 int EndOfList(void) const; int CurrentPosition(void) const; /返回数据成员position void InsertFront(const T& item); /在表头插入 void InsertRear(const T& item); /在表尾添加 void InsertAt(const T& item); /在当前节点之前插入 void InsertA

19、fter(const T& item); /在当前节点之后插入 T DeleteFront(void); /删除头节点 void DeleteAt(void); /删除当前节点 T& Data(void); void ClearList(void);template Node *LinkedList:GetNode(const T& item, Node* ptrNext) Node *p; p = new Node(item,ptrNext); if (p = NULL) cout Memory allocation failure!n; exit(1); return p;template

20、 void LinkedList:FreeNode(Node *p) delete p;template void LinkedList:CopyList(const LinkedList& L) Node *p = L.front; int pos; while (p != NULL) InsertRear(p-data); p = p-NextNode(); if (position = -1) return; prevPtr = NULL; currPtr = front; for (pos = 0; pos != position; pos+) prevPtr = currPtr; c

21、urrPtr = currPtr-NextNode(); template LinkedList:LinkedList(void): front(NULL), rear(NULL), prevPtr(NULL),currPtr(NULL), size(0), position(-1)template LinkedList:LinkedList(const LinkedList& L) front = rear = NULL; prevPtr = currPtr = NULL; size = 0; position = -1; CopyList(L);template void LinkedLi

22、st:ClearList(void) Node *currPosition, *nextPosition; currPosition = front; while(currPosition != NULL) nextPosition = currPosition-NextNode(); FreeNode(currPosition); currPosition = nextPosition; / 移动到下一结点 front = rear = NULL; prevPtr = currPtr = NULL; size = 0; position = -1;template LinkedList:Li

23、nkedList(void) ClearList();template LinkedList& LinkedList:operator= (const LinkedList& L) if (this = &L) / 不能将链表赋值给它自身 return *this; ClearList(); CopyList(L); return *this;template int LinkedList:ListSize(void) const return size; template int LinkedList:ListEmpty(void) const return size = 0;templat

24、e void LinkedList:Next(void) if (currPtr != NULL) prevPtr = currPtr; currPtr = currPtr-NextNode(); position+; template int LinkedList:EndOfList(void) const return currPtr = NULL;template int LinkedList:CurrentPosition(void) const return position;template void LinkedList:Reset(int pos) int startPos;

25、if (front = NULL) return; if (pos size-1) cerr Reset: Invalid list position: pos NextNode(); prevPtr = front; startPos = 1; for(position=startPos; position != pos; position+) prevPtr = currPtr; currPtr = currPtr-NextNode(); template T& LinkedList:Data(void) if (size = 0 | currPtr = NULL) cerr Data:

26、invalid reference! data;template void LinkedList:InsertFront(const T& item) if (front != NULL) Reset(); InsertAt(item); / 在表头插入template void LinkedList:InsertRear(const T& item) Node *newNode; prevPtr = rear; newNode = GetNode(item); / 创建新结点 if (rear = NULL) / 如果表空则插入在表头 front = rear = newNode; else

27、 rear-InsertAfter(newNode); rear = newNode; currPtr = rear; position = size; size+;template void LinkedList:InsertAt(const T& item) Node *newNode; if (prevPtr = NULL) newNode = GetNode(item,front); front = newNode; else newNode = GetNode(item); prevPtr-InsertAfter(newNode); if (prevPtr = rear) rear

28、= newNode; position = size; currPtr = newNode; size+; template void LinkedList:InsertAfter(const T& item) Node *p; p = GetNode(item); if (front = NULL) / 向空表中插入 front = currPtr = rear = p; position = 0; else if (currPtr = NULL) currPtr = prevPtr; currPtr-InsertAfter(p); if (currPtr = rear) rear = p;

29、 position = size; else position+; prevPtr = currPtr; currPtr = p; size+; / 使链表长度增值template T LinkedList:DeleteFront(void) T item; Reset(); if (front = NULL) cerr Invalid deletion! data; DeleteAt(); return item;template void LinkedList:DeleteAt(void) Node *p; if (currPtr = NULL) cerr Invalid deletion

30、! NextNode(); else p = prevPtr-DeleteAfter(); if (p = rear) rear = prevPtr; position-; currPtr = p-NextNode(); FreeNode(p); size-;#endif / LINKEDLIST_CLASS/lab9_2.cpp#include link.hint main() LinkedList A, B; for(int i=0;i5;i+) A.InsertRear(2*i+1); B.InsertRear(2*i+2); A.Reset(); cout 链表A的元素为： ; whi

31、le(!A.EndOfList() cout A.Data() ; A.Next(); cout endl; B.Reset(); cout 链表B的元素为： ; while(!B.EndOfList() cout B.Data() ; B.Next(); cout endl; cout 把B中的元素插入A中. endl; B.Ret(); while(!B.EndOfList() A.InsertRear(B.Data(); B.Next(); A.Reset(); cout 此时，链表A的元素为： ; while(!A.EndOfList() cout A.Data() ; A.Next(

32、); cout endl;3. /queue.h#ifndef QUEUE_CLASS#define QUEUE_CLASS#include #include using namespace std;#include link.htemplate class Queue private: LinkedList queueList; public: Queue(void); void QInsert(const T& elt); T QDelete(void); T QFront(void); int QLength(void) const; int QEmpty(void) const; vo

33、id QClear(void);template Queue:Queue(void)template int Queue:QLength(void) const return queueList.ListSize();template int Queue:QEmpty(void) const return queueList.ListEmpty();template void Queue:QClear(void) queueList.ClearList();template void Queue:QInsert(const T& elt) queueList.InsertRear(elt);template T Queue:QDelete(void) if (queueList.ListEmpty()