网站建设费用贵不贵,商城网站管理系统,wordpress怎么做网盘站,微信电脑版官方下载循环链表和单链表其实区别不大,差别仅在于算法中的循环条件不是p或者p-next,而是是否等于头指针。下面这个例子简单的实现了循环链表的基本操作,其中插入和删除只是完成了主要的部分,没有判断。#include#includestruct Data{char name;int age;};struct CirList{Data *data…循环链表和单链表其实区别不大,差别仅在于算法中的循环条件不是p或者p-next,而是是否等于头指针。下面这个例子简单的实现了循环链表的基本操作,其中插入和删除只是完成了主要的部分,没有判断。#include#includestruct Data{char name;int age;};struct CirList{Data *data;CirList *next;};CirList* InitListhead(){CirList *list;list (CirList*)malloc(sizeof(CirList));list-next NULL;return list;}CirList *CreateData(){CirList *node;node (CirList*)malloc(sizeof(CirList));node-next NULL;node-data (Data*)malloc(sizeof(Data));printf(输入姓名:);scanf(%c,node-data-name);printf(输入年龄:);scanf(%d,node-data-age);getchar();return node;}//头插法初始化链表void InitList(CirList *head){CirList *node ;node CreateData();//新结点的next指针域赋给头结点的next指针域node-next head-next;//新结点赋给头结点的指针域head-next node;//新结点指针域指向头结点node-next head;}//尾插法初始化链表void InitList_2(CirList *list){CirList *node,*plist;int i 0;while(i3){node CreateData();p-next node;p node;i;}//令表尾指针指向头结点node-next list;}void Insert(CirList *list){CirList *node,*saveHead list;node CreateData();printf(输入插入位置:);int position,i0;scanf(%d,position);//寻找插入的前驱while(list ! NULL i position-1){list list-next;i;}node-next list-next;list-next node;}void Delete(CirList *list){CirList *temp,*saveHead list;;printf(输入删除位置:);int position,i0;scanf(%d,position);//寻找插入的前驱while(list ! NULL i position-1){list list-next;i;}temp list-next;list-next temp-next;free(temp);}void Output(CirList *list){CirList *p list-next;printf(链表中所有数据如下:\n);while(p ! list){printf(姓名:%c\n,p-data-name);printf(年龄:%d\n,p-data-age);p p-next;}}void menu(){printf(*****循环链表练习*****\n);printf( * 1---初始化链表\n);printf( * 2---删除数据\n);printf( * 3---插入数据\n);printf( * 4---输出数据\n);printf( * 0---退出\n);printf(********************\n);}int main(){CirList *list;list InitListhead();int i0;printf(初始化数据:\n);//while(i3){//InitList(list);//i;}int choose;do{menu();printf(输入您的选择:);scanf(%d,choose);getchar();switch(choose){case 1:InitList_2(list);break;case 2:Delete(list);break;case 3:Insert(list);break;case 4:Output(list);break;}}while(choose !0);return 0;}
