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相连后我就不释放N链表的头节点了我这从新建立了一个K链表返回之后付给新新链表
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#define MAXSIZE 10
typedef struct Like
{
int T;
struct Like *next;
}Like, *Likes;
void Explain(); //程序说明
void InitList(Likes *N); //初始化及清除数据
void TailList(Likes *M); //创建尾插法链表
void HeadList(Likes *N); //创建尾插法链表
void AlPuList(Like *N); //打印链表
struct Like *LinkList(Like *N, Like *M); //两个链表合并
struct Like *LinkList(Like *N, Like *M)
{
Like *temp = N->next->next; //N的一号节点传给临时变量
N->next->next = M->next->next; //M的1号节点传给N尾节点之后
M->next->next = temp; //N1号节点传给M节点之后也就是当M的一号数据
return M->next;
}
void AlPuList(Like *N)
{
Like *temp = N->next;
do
{
printf("<%d>", temp->T);
temp = temp->next;
}while(temp != N->next);
putchar('\n');
}
void TailList(Likes *M)
{
Like *temp, *tail;
srand((unsigned)time(NULL)); //随意创建N个链表
for(int i = 0; i < MAXSIZE; i++)
{
temp = (Likes )malloc(sizeof(Like ));
temp->T = (rand() % 100);
temp->next = (*M)->next;
if((*M)->next == *M)
{
(*M)->next = temp;
}
else
{
tail->next = temp;
}
tail = temp;
}
(*M)->next = tail;
}
void HeadList(Likes *N)
{
Like *temp, *tail;
srand((unsigned)time(NULL));
for(int i = 0; i < MAXSIZE; i++)
{
temp = (Likes )malloc(sizeof(Like ));
temp->T = (rand() % 100);
if((*N)->next == *N )
{
(*N)->next = temp;
temp->next = temp; //自己指向自己
tail = temp; //把尾链表传给tail,(tail不做更改)
}
else
{
temp->next = (*N)->next; //把链表1号节点传给临时链表temp->next
(*N)->next = temp; //把temp替换1号节点的数据因为前面已经做了向下一个的next所以链表是相连的
tail->next = temp; //把尾节点的指向next替换成新的1号节点点形成循环
}
}
(*N)->next = tail; //把链表的头节点指向链表的尾节点
}
void InitList(Likes *N)
{
Like *temp,*temps;
if(*N != NULL)
{
temp = (*N)->next;
do
{
temps = temp;
temp = temp->next;
free(temps);
}while((*N)->next != temp);
}
else
{
*N = (Likes )malloc(sizeof(Like ));
}
(*N)->next = *N;
}
void Explain()
{
printf("1、初始化程序及清除数据\n");
printf("2、创建头插法链表\n");
printf("3、创建尾插法链表\n");
printf("4、两个链表合并\n");
printf("9、打印全部链表\n");
printf("0、结束本程序\n");
}
int main()
{
int i;
Like *N = NULL, *M = NULL, *K;
Explain();
while(1)
{
printf("输入选项:");
scanf("%d",&i);
switch(i)
{
case 1:{
InitList(&N);
InitList(&M);
}
break;
case 2:{
HeadList(&N);
}
break;
case 3:{
TailList(&M);
}
break;
case 4:{
K = LinkList(N, M);
AlPuList(K);
}
break;
case 9:{
AlPuList(N);
AlPuList(M);
}
break;
case 0:{
return 0;
}
break;
}
}
return 0;
}
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