链表的操作呢
#include<stdio.h>#include<stdlib.h>
#define OK 1
#define OVERFLOW 0
#define ERROR 0
#define NULL 0
typedef struct LNode
{
int data;
struct LNode *next;
}LNode,*LinkList;
/*顺序创建一个链表*/
LinkList CreateListOrdinal_L(int num)
{
LinkList h,head,end;
int counter;
if(!(h = head = (LinkList)malloc(sizeof(LNode))))
{
return NULL;
}
h->next = head->next = NULL;
for(counter=0;counter<num;counter++)
{
if(end = ((LinkList)malloc(sizeof(LNode))))
{
end->data = rand();
end->next = h->next;
h->next = end;
h = end;
}
}
return head;
}
/*逆序创建一个链表*/
LinkList CreateList_L(int num)
{
LinkList head,end;
int counter;
if(!(head=(LinkList)malloc(sizeof(LNode))))
{
return NULL;
}
head->next = NULL;
for(counter=0;counter<num;counter++)
{
if(end=(LinkList)malloc(sizeof(LNode)))
{
end->data = rand();
end->next = head->next;
head->next = end;
}
}
return head;
}
/*获取某个指定结点的值*/
int GetElement_L(LinkList list,int location)
{
int counter = 0;
LinkList point = list->next;
while(point && counter<location)
{
point = point->next;
counter++;
}
if(!point || counter > location)
return ERROR;
return point->data;
}
/*插入元素*/
int ListInsert_L(LinkList list,int location,int arg)
{
LinkList point=list->next,node;
int counter=1;
while(counter<location)
{
point = point->next;
counter++;
}
if(!point || (counter > location))
{
printf("\nInsert operatoin failed");
return ERROR;
}
node = (LinkList)malloc(sizeof(LNode));
if(!node)
exit(OVERFLOW);
node->data = arg;
node->next = point->next;
point->next = node;
return OK;
}
/*删除元素*/
void ListDelete_L(LinkList list,int location)
{
LinkList point = list->next;
int counter = 1;
while(counter < location)
{
point = point->next;
list = list->next;
counter++;
}
if(!point || (counter > location))
{
printf("\nDelete operation failed!\n");
return;
}
list->next = point->next;
free(point);
}
/*快速排序*/
void BubbleSort(LinkList list)
{
int temp;
LinkList pa,pb;
pa = list->next;
pb = pa->next;
while(pa->next)
{
if(pa->data > pb->data)
{
temp = pa->data;
pa->data = pb->data;
pb->data = temp;
}
pb = pb->next;
if(!pb)
{
pa = pa->next;
pb = pa->next;
}
}
}
/*获取链表元素个数*/
int GetListLength_L(LinkList list)
{
int counter=0;
LinkList point = list->next;
while(point)
{
counter++;
point = point->next;
}
return counter;
}
/*合并两个链表，并将操作结果保留在第一个链表中。此操作结束后就只剩一个链表了*/
void MergeList_L(LinkList listA,LinkList listB)
{
LinkList pa = listA,pb = listB;
listA = listA->next;
listB = listB->next;
while(listA && listB)
{
if(listA->data < listB->data)
{
pa->next = listA;
pa = listA;
listA = listA->next;
}
else
{
pa->next = listB;
pa = listB;
listB = listB->next;
}
}
pa->next = listA?listA:listB;
free(pb);
}
/*列出列表的所有元素*/
void DisplayAllElements(LinkList list)
{
int flag=1;
LinkList point = list->next;
while(point)
{
printf("%d\t",point->data);
point = point->next;
if(flag++ == 5)
printf("\n");
}
printf("\n");
}
void main()
{
LinkList listA,listB;
printf("Create LinkList A\n");
listA = CreateListOrdinal_L(4);
ListInsert_L(listA,4,123);
ListDelete_L(listA,3);
BubbleSort(listA);
printf("After sort,the elements of listA are:\n");
DisplayAllElements(listA);
printf("Create LinkList B\n");
listB = CreateList_L(6);
BubbleSort(listB);
printf("After sort,the elements of listB are:\n");
DisplayAllElements(listB);
MergeList_L(listA,listB);
printf("\nAfter merge the two list together,the elements are:\n");
DisplayAllElements(listA);
printf("\nThe length of elements of listA is:%d",GetListLength_L(listA));
getch();
}
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