遍历一个给定数组，创建一个有序链表

// 遍历数组建立有序链表.cpp : 定义控制台应用程序的入口点。
//
#include "stdafx.h"
#include <iostream>
using namespace std;

struct ListNode
{
	int m_nValue;
	ListNode *m_pNext;
};

//创建一个链表，输入从头到尾结点的值，输入-1表示结束
void AddItem(ListNode *&pHead, int nValue)
{	
	ListNode *pCur = NULL;
	ListNode *pPre = NULL;

	//创建新节点
	ListNode *pNewData = new ListNode;
	pNewData->m_nValue = nValue;
	pNewData->m_pNext = NULL;

	if (pHead == NULL)
	{
		pHead = pNewData;		
	}
	else
	{
        if (pHead->m_nValue > nValue)
        {
			pNewData->m_pNext = pHead;
			pHead = pNewData;			
        }
		else
		{
			pCur = pHead->m_pNext;
			pPre = pHead;
			while (pCur!=NULL && pCur->m_nValue<nValue)
			{
				pPre = pCur;
				pCur = pCur->m_pNext;
			}
			pNewData->m_pNext = pPre->m_pNext;
			pPre->m_pNext = pNewData;
		}
	}	
}

//从头到尾打印链表
void PrintList(ListNode *&pHead)
{
	if (pHead != NULL)
	{
		ListNode *pCur = pHead;
		while (pCur != NULL)
		{
			cout << pCur->m_nValue << " ";
			pCur = pCur->m_pNext;
		}
		cout << endl;
	}
	else
	{
		cout << "链表为空！" << endl;
	}
}

int _tmain(int argc, _TCHAR* argv[])
{
	int a[6] = {2,1,4,3,0,9};
	ListNode *pHead = NULL;
	for (int i=0; i<6; i++)
	{
		AddItem(pHead, a[i]);
	}
	PrintList(pHead);
	system("pause");
	return 0;
}

补充：软件开发 , C++ ,

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