数据结构教程 第十二课 实验二 循环链表实验
2007-05-16 11:56:17 来源:WEB开发网核心提示:本课主题: 实验二 循环链表实验教学目的: 掌握单向链表的实现方法教学重点: 单向链表的存储表示及操作教学难点: 单向链表的操作实现授课内容:一、单向链表的存储表示C源程序#include<stdio.h>#include<malloc.h>#include<conio.h>#def
本课主题: 实验二 循环链表实验
教学目的: 掌握单向链表的实现方法
教学重点: 单向链表的存储表示及操作
教学难点: 单向链表的操作实现
授课内容:
一、单向链表的存储表示
C源程序
#include<stdio.h> #include<malloc.h> #include<conio.h> #define ERROR 0 #define OK 1 #define EQUAL 1 #define OVERFLOW -1 #define LIST_INIT_SIZE 100 #define LISTINCREMENT 10 struct STU{ char name[20]; char stuno[10]; int age; int score; }stu[50]; typedef struct STU ElemType; struct LNODE { ElemType data; struct LNODE *next; }; typedef struct LNODE LNode; typedef struct LNODE *LinkList; int init(LinkList *L) { *L=(LNode *)malloc(sizeof(LNode)); if(!L) exit(ERROR); (*L)->next=NULL; return OK; }/*init */ int ListLength(LinkList L) { int j=0; while (L->next) { L=L->next; j++; } return j; } int GetElem(LinkList L,int i,ElemType *e) { LinkList p; int j; p=L->next;j=1; while(p&&j<i){ p=p->next;++j; } if(!p||j>1) return ERROR; *e=p->data; return OK; } int EqualList(ElemType *e1,ElemType *e2) { if (strcmp(e1->name,e2->name)==0) return 1; else return 0; } int Less_EqualList(ElemType *e1,ElemType *e2) { if (strcmp(e1->name,e2->name)<=0) return 1; else return 0; } int LocateElem(LinkList La,ElemType e,int type) { int i; LinkList p; p=La; switch (type) { case EQUAL: while(p->next) { p=p->next; if(EqualList(&p->data,&e)) return 1; } return 0; break; default: break; } return 0; } void MergeList(LinkList La,LinkList Lb,LinkList *Lc) { LinkList pa,pb,pc; pa=La->next;pb=Lb->next; *Lc=pc=La; while(pa && pb) { if(Less_EqualList(&pa->data,&pb->data)) { pc->next=pa;pc=pa;pa=pa->next; } else { pc->next=pb;pc=pb;pb=pb->next; } } pc->next=pa?pa:pb; free(Lb); } int printlist(LinkList L) { int i; LinkList p; p=L; printf("name stuno age score\n"); while(p->next) { p=p->next; printf("%-10s %s\t%d\t%d\n", p->data.name, p->data.stuno, p->data.age, p->data.score); } printf("\n"); } int ListInsert(LinkList L,int i,ElemType e) { LinkList p,s; int j; p=L;j=0; while(p&&j<i-1) { p=p->next; ++j; } if(!p||j>i-1) return ERROR; s=(LinkList)malloc(sizeof(LNode)); s->data=e; s->next=p->next; p->next=s; return OK; }/*ListInsert Before i */ main() { struct STU e; LinkList La,Lb,Lc; clrscr(); printf("\n\n-------------------List Demo is running...----------------\n\n"); printf("First is InsertList function.\n"); init(&La); strcpy(e.name,"stu1"); strcpy(e.stuno,"100001"); e.age=80; e.score=1000; ListInsert(La,1,e); strcpy(e.name,"stu3"); strcpy(e.stuno,"100002"); e.age=80; e.score=1000; ListInsert(La,2,e); printlist(La); getch(); strcpy(e.name,"stu5"); strcpy(e.stuno,"100003"); e.age=80; e.score=1000; ListInsert(La,3,e); printlist(La); getch(); init(&Lb); strcpy(e.name,"stu2"); strcpy(e.stuno,"100001"); e.age=80; e.score=1000; ListInsert(Lb,1,e); strcpy(e.name,"stu4"); strcpy(e.stuno,"100002"); e.age=80; e.score=1000; ListInsert(Lb,2,e); strcpy(e.name,"stu6"); strcpy(e.stuno,"100001"); e.age=80; e.score=1000; ListInsert(Lb,3,e); printlist(Lb); getch(); MergeList(La,Lb,&Lc); printlist(Lc); getch(); printf("\n\n\n\n\n\nWelcome to visit http://zmofun.heha.net !\n\n\n\n\n\n\n"); }
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