算:链表排序,反转
最垃圾的链表排序,容我后面改,,,,,
菜,
不合格,不能借助数组,而且你的翻转只是值的翻转。
最垃圾的排序,没有之一,,,
容我改改,md
struct NodeList* sort(struct NodeList* phead)
{//the most foolish sort
NodeList* PCur=NULL;
NodeList* PNext=NULL;
int len=lenoflist(phead);
printf("\nenter sort--------------------------------\n");
for(int i=0;i<len;i++)
{//goto the head again
PCur=phead->mNext;
PNext=PCur->mNext;
for(int k=0;k<len;k++)
{
if(PCur->mData > PNext->mData)
{//swap
//printf("before %d %d ",PCur->mData , PNext->mData);
int temp=PCur->mData;
PCur->mData=PNext->mData;
PNext->mData=temp;
//printf("after %d %d \n",PCur->mData , PNext->mData);
}
if(PNext->mNext)
{//not reach the end of list
PCur=PCur->mNext;
PNext=PNext->mNext;
}
}
displaylist(phead);
}
return phead;
}
int main()
{
//initNodeList();
int i=0;
int arry[]={5,8,11,12,19,6,4};
int arry2[]={6,9,1,4,8,2};
PList* pcurrent=NewNodeMore(arry,sizeof(arry)/sizeof(arry[0]));//get the head of list
printf("\n\n--------------------------------\n");
PList* pcurrent2=NewNodeMore(arry2,sizeof(arry2)/sizeof(arry2[0]));//get the head of list
displaylist(pcurrent);
displaylist(pcurrent2);
//merge
PList* pmerge=merge2list(pcurrent,pcurrent2);//get the head of list
displaylist(pmerge);
//find the pos of value
int valuetofind=88;
PList* node=findNode(pcurrent2,valuetofind);
printf("\n node:%p,node->mData:%d,node->mNext:%p\n",node,node->mData,node->mNext);
//insert value
int pos_val=11;
int insert_val=666;
//find pos_val in pcurrent,then insert insert_val
insertNode(pcurrent,findNode(pcurrent,pos_val),insert_val);
displaylist(pcurrent);
//modify value
modifyNode(pcurrent,pos_val,insert_val);//modify pos_val to insert_val
displaylist(pcurrent);
//delete node
deleteNode(pcurrent,findNode(pcurrent,19));//delete the node 9
displaylist(pcurrent);
sort(pcurrent);
printf("\nsort--------------------------------\n");
displaylist(pcurrent);
printf("\nsort--------------------------------\n");
return 0;
}
结果:
链表翻转:
struct NodeList* reverse(struct NodeList* phead)
{//
NodeList* PCur=NULL;
PCur=phead->mNext;
int len=lenoflist(phead);
int i=0;
int temp[len+1]={0};
printf("reverse:%d \n",len);
while(PCur)
{//not reach the end of list
temp[i++]=PCur->mData;
PCur=PCur->mNext;
//printf("%d ",temp[i]);
}
PCur=phead->mNext;
while(PCur)
{//not reach the end of list
if(i>=0)
{
PCur->mData=temp[--i];
//printf("%d ",temp[i]);
PCur=PCur->mNext;
}
}
return phead;
}
int main()
{
//initNodeList();
int i=0;
int arry[]={5,8,11,12,19,6,4};
int arry2[]={6,9,1,4,8,2};
PList* pcurrent=NewNodeMore(arry,sizeof(arry)/sizeof(arry[0]));//get the head of list
printf("\n\n--------------------------------\n");
PList* pcurrent2=NewNodeMore(arry2,sizeof(arry2)/sizeof(arry2[0]));//get the head of list
displaylist(pcurrent);
displaylist(pcurrent2);
//merge
PList* pmerge=merge2list(pcurrent,pcurrent2);//get the head of list
displaylist(pmerge);
//find the pos of value
int valuetofind=88;
PList* node=findNode(pcurrent2,valuetofind);
printf("\n node:%p,node->mData:%d,node->mNext:%p\n",node,node->mData,node->mNext);
//insert value
int pos_val=11;
int insert_val=666;
//find pos_val in pcurrent,then insert insert_val
insertNode(pcurrent,findNode(pcurrent,pos_val),insert_val);
displaylist(pcurrent);
//modify value
modifyNode(pcurrent,pos_val,insert_val);//modify pos_val to insert_val
displaylist(pcurrent);
//delete node
deleteNode(pcurrent,findNode(pcurrent,19));//delete the node 9
displaylist(pcurrent);
//sort
sort(pcurrent);
printf("\nsort--------------------------------\n");
displaylist(pcurrent);
//reverse
printf("\nbefore reverse--------------------------------\n");
displaylist(pcurrent);
reverse(pcurrent);
printf("\nafter reverse--------------------------------\n");
displaylist(pcurrent);
return 0;
}
结果终于对了,主要是数组的边界和链表的头和尾要重点注意