#include "stdafx.h" #include <iostream> using namespace std; struct ListNode { int m_nValue; ListNode *m_pNext; }; ListNode *ReverseList(ListNode *pListHead) { if (pListHead == NULL) { return NULL; } ListNode *pReverseHead = NULL; ListNode *pPre = NULL; ListNode *pNode = pListHead; ListNode *pNext = NULL; while (pNode != NULL) { pNext = pNode->m_pNext; if (pNext == NULL) { pReverseHead = pNode; } pNode->m_pNext = pPre; pPre = pNode; pNode = pNext; } return pReverseHead; } //創建一個鏈表,輸入從頭到尾結點的值,輸入-1表示結束 void CreateList(ListNode *& pHead) { ListNode *pListNode = NULL; ListNode *pCurLastNode = NULL; bool isHead = true; while (1) { if (isHead) { pHead = new ListNode(); cin >> pHead->m_nValue; pHead->m_pNext = NULL; isHead = false; pCurLastNode = pHead; } else { pListNode = new ListNode(); cin >> pListNode->m_nValue; if (pListNode->m_nValue == -1) { break; } pListNode->m_pNext = NULL; pCurLastNode->m_pNext = pListNode; pCurLastNode = pListNode; } } } //從頭到尾打印鏈表 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 << "鏈表為空!" << endl; } } int _tmain(int argc, _TCHAR* argv[]) { ListNode *pListHead = NULL; CreateList(pListHead); PrintList(pListHead); ListNode *pReverseHead = ReverseList(pListHead); cout << pReverseHead->m_nValue << endl; PrintList(pReverseHead); system("pause"); return 0; } #include "stdafx.h" #include <iostream> using namespace std; struct ListNode { int m_nValue; ListNode *m_pNext; }; ListNode *ReverseList(ListNode *pListHead) { if (pListHead == NULL) { return NULL; } ListNode *pReverseHead = NULL; ListNode *pPre = NULL; ListNode *pNode = pListHead; ListNode *pNext = NULL; while (pNode != NULL) { pNext = pNode->m_pNext; if (pNext == NULL) { pReverseHead = pNode; } pNode->m_pNext = pPre; pPre = pNode; pNode = pNext; } return pReverseHead; } //創建一個鏈表,輸入從頭到尾結點的值,輸入-1表示結束 void CreateList(ListNode *& pHead) { ListNode *pListNode = NULL; ListNode *pCurLastNode = NULL; bool isHead = true; while (1) { if (isHead) { pHead = new ListNode(); cin >> pHead->m_nValue; pHead->m_pNext = NULL; isHead = false; pCurLastNode = pHead; } else { pListNode = new ListNode(); cin >> pListNode->m_nValue; if (pListNode->m_nValue == -1) { break; } pListNode->m_pNext = NULL; pCurLastNode->m_pNext = pListNode; pCurLastNode = pListNode; } } } //從頭到尾打印鏈表 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 << "鏈表為空!" << endl; } } int _tmain(int argc, _TCHAR* argv[]) { ListNode *pListHead = NULL; CreateList(pListHead); PrintList(pListHead); ListNode *pReverseHead = ReverseList(pListHead); cout << pReverseHead->m_nValue << endl; PrintList(pReverseHead); system("pause"); return 0; }