"링크드리스트"에 해당되는 글 - 1건

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c++ 링크드리스트 만들기

[ 이전게시판/C, C++ ] 2016. 3. 19. 19:17
간단한 링크드 리스트를 만들어보았다.

서로 참조하는 링크드 리스트는 좀 어려운듯ㅠ_ㅠ

원형 큐도 공부해야 하고@_@ 공부할 것 많다 ㅋㅋ!

자료구조랑 DB랑 C, C++ 기초 확실하게 공부해야 한다.

혹시 오류 있으면 지적해주세요!


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#include <iostream>
using namespace std;
 
class Node
{
public:
    int nValue;
    Node* pNextNode;
};
 
class NodeList
{
    Node* m_pHead;
    
public:
    NodeList() : m_pHead(NULL)
    {
        
    }
    ~NodeList()
    {
        Node* pTemp = m_pHead;
        
        while(pTemp)
        {
            Node* pTempNode = pTemp;
            pTemp = pTemp->pNextNode;
        
            delete pTempNode;
            pTempNode = NULL;
        }
    }
 
    void Add(int Value)
    {
        if(NULL == m_pHead)
        {
            Node* pNewNode = new Node();
            pNewNode->nValue = Value;
            pNewNode->pNextNode = NULL;
            m_pHead = pNewNode;
        }
        else
        {
            Node* pTemp = m_pHead;
            
            while(true)
            {
                if(NULL == pTemp->pNextNode)
                    break;
                
                pTemp = pTemp->pNextNode;
            }
            
            Node* pNewNode = new Node();
            pNewNode->nValue = Value;
            pNewNode->pNextNode = NULL;
            pTemp->pNextNode = pNewNode;
        }
    }
 
    Node* Find(int Value)
    {
        Node* pTemp = m_pHead;
        
        while(pTemp)
        {
            if(pTemp->nValue == Value)
                return pTemp;
 
            pTemp = pTemp->pNextNode;
        }
 
        return NULL;
    }
 
    bool Delete(int Value)
    {
        Node* pTemp = m_pHead;
        Node* pTemp2 = NULL;
        bool bCheck = false;
 
        while(pTemp)
        {
            if(pTemp->nValue == Value)
            {
                bCheck = true;
                break;
            }
            pTemp2 = pTemp;
            pTemp = pTemp->pNextNode;
        }
 
        if(bCheck)
        {
            if(pTemp == m_pHead)
            {
                m_pHead = pTemp->pNextNode;
                delete pTemp;
                pTemp = NULL;    
            }
            else
            {
                pTemp2->pNextNode = pTemp->pNextNode;
                delete pTemp;
                pTemp = NULL;            
            }
        }
 
        return bCheck;
    }
 
    void Print()
    {
        Node* pTemp = m_pHead;
        
        while(NULL != pTemp)
        {
            printf("%d", pTemp->nValue);
            pTemp = pTemp->pNextNode;
        }
 
        printf("\n");
    }
};
cs


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class Node
{
public:
    int value;
    Node* m_pNextNode;
};
 
class LinkedList
{
    Node* m_pHead;
public:
    LinkedList()
    {
        m_pHead = NULL;
    }
 
    ~LinkedList()
    {
        Node* pNode = m_pHead;
        while(pNode)
        {
            Node* pTempNode = pNode->m_pNextNode;
            pNode = pNode->m_pNextNode;
            delete pTempNode;
            pTempNode = NULL;            
        }
    }
    
    void Add(int value)
    {
        Node* pNewNode = new Node();
        pNewNode->value = value;
        pNewNode->m_pNextNode = NULL;
            
        if(NULL == m_pHead)
        {
            m_pHead = pNewNode;
        }
        else
        {
            Node* pTemp = m_pHead;
            while(pTemp)
            {
                if(NULL == pTemp->m_pNextNode)
                {
                    pTemp->m_pNextNode = pNewNode;
                    break;
                }
                pTemp = pTemp->m_pNextNode;
            }
        }
    }
 
    Node* Find(int value)
    {
        Node* pNode = m_pHead;
        bool bResult = false;
        
        while(!pNode)
        {
            if(pNode->value == value)
                return pNode;
        }
        return NULL;
    }
 
    void Delete(int value)
    {
        Node* pTemp = m_pHead;
        Node* pTemp2 = NULL;
        bool bCheck = false;
 
        while(NULL != pTemp)
        {
            if(value == pTemp->value)
            {
                bCheck = true;
                break;
            }
 
            pTemp2 = pTemp;
            pTemp = pTemp->m_pNextNode;
        }
 
        if(bCheck)
        {
            if(m_pHead == pTemp)
            {
                m_pHead = pTemp->m_pNextNode;
                delete pTemp;
                pTemp = NULL;                
            }
            else
            {
                Node* pNode = pTemp->m_pNextNode;
                pTemp2->m_pNextNode = pNode;
                delete pTemp;
                pTemp = NULL;
            }
        }        
    }
 
    void Print()
    {
        Node* pNode = m_pHead;
 
        while(pNode)
        {
            cout<< pNode->value <<endl;
            pNode = pNode->m_pNextNode;
        }
        cout<<endl;
    }
};
 
void main()
{
    LinkedList linkedList;
    linkedList.Add(1);
    linkedList.Add(2);
    linkedList.Add(3);
    linkedList.Print();
    linkedList.Delete(1);
    linkedList.Delete(2);
    linkedList.Print();
    linkedList.Add(4);
    linkedList.Print();
    getchar();
}
cs


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