C语言18

#include
#include

typedef struct Node
{
	int id;
	struct Node* pNext;

}List;

List* GetNode(int id)
{
	List* pTemp = (List*)malloc(sizeof(List));

	pTemp->id = id;
	pTemp->pNext = NULL;

	return pTemp;
}

void AddNode(List** ppHead, List** ppEnd, List* pNode)
{
	if (*ppHead == NULL)
	{
		*ppHead = pNode;
     }
	else
	{
		(*ppEnd)->pNext = pNode;
	}
	*ppEnd = pNode;
}
void InsertNode(List** ppHead,List** ppEnd,List* pNode,int id)
{
	List* pMark = *ppHead;
	//头插入
	if (id == (*ppHead)->id)
	{
		pNode->pNext = *ppHead;
		*ppHead = pNode;
	}
	//中间插入
		while (pMark->pNext!=NULL)
		{
			if (pMark->pNext->id == id)
			{
				pNode->pNext = pMark->pNext;
				pMark->pNext = pNode;
				return;
			}
			pMark = pMark->pNext;
		}
	//尾插入
	(*ppEnd)->pNext = pNode;
	*ppEnd = pNode;
}
void DeleteNode(List** ppHead,List** ppEnd,int id)
{
	List* pDel = NULL;
	List* pMark = *ppHead;
	//头删除
	if (id == (*ppHead)->id)
	{
		pDel = *ppHead;
		*ppHead = (*ppHead)->pNext;
		free(pDel);
		pDel = NULL;
		return;
	}
	//中间删除
	while (pMark->pNext != NULL)
	{
		if (pMark->pNext->id == id)
		{
			pDel = pMark->pNext;
			pMark->pNext = pMark->pNext->pNext;
			free(pDel);
			pDel = NULL;
			//尾删除
			if (pMark->pNext == NULL)
			{
				*ppEnd = pMark;
			}
			return;
		}
		pMark = pMark->pNext;
	}

}

int main()
{
	List* pHead = NULL;
	List* pEnd = NULL;

	AddNode(&pHead, &pEnd, GetNode(1));
	AddNode(&pHead, &pEnd, GetNode(2));
	AddNode(&pHead, &pEnd, GetNode(3));
	AddNode(&pHead, &pEnd, GetNode(4));
	
	
	DeleteNode(&pHead, &pEnd, 4);

	while (pHead != NULL)
	{
		printf("%dn",pHead->id);

		pHead = pHead->pNext;

	}

	return 0;
}

#include
#include
#include

int main()
{
	srand((unsigned int)time(NULL));//存放种子

	printf("%dn", rand()%12);//0~11  
	printf("%dn", rand()%11+12);//12~22   
	printf("%dn", rand()%11+23);//23~33
	printf("%dn", rand()%17);



	return 0;
}