回顾链表章节实例修改

一 工程1：

1.#include <stdio.h>
#include <malloc.h>
#include "CircleList.h"

typedef struct _tag_CircleList
{
    CircleListNode header;
    CircleListNode* slider;
    int length;
} TCircleList;

CircleList* CircleList_Create() // O(1)
{
    TCircleList* ret = (TCircleList*)malloc(sizeof(TCircleList));
    
    if( ret != NULL )
    {
        ret->length = 0;
        ret->header.next = NULL;
        ret->slider = NULL;
    }
    
    return ret;
}

void CircleList_Destroy(CircleList* list) // O(1)
{
    free(list);
}

void CircleList_Clear(CircleList* list) // O(1)
{
    TCircleList* sList = (TCircleList*)list;
    
    if( sList != NULL )
    {
        sList->length = 0;
        sList->header.next = NULL;
        sList->slider = NULL;
    }
}

int CircleList_Length(CircleList* list) // O(1)
{
    TCircleList* sList = (TCircleList*)list;
    int ret = -1;
    
    if( sList != NULL )
    {
        ret = sList->length;
    }
    
    return ret;
}

int CircleList_Insert(CircleList* list, CircleListNode* node, int pos) // O(n)
{
    TCircleList* sList = (TCircleList*)list;
    int ret = (sList != NULL) && (pos >= 0) && (node != NULL);
    int i = 0;
    
    if( ret )
    {
        CircleListNode* current = (CircleListNode*)sList;
        
        for(i=0; (i<pos) && (current->next != NULL); i++)
        {
            current = current->next;
        }
        
        node->next = current->next;
        current->next = node;
        
        if( sList->length == 0 )
        {
            sList->slider = node;
        }
        
        sList->length++;
        
        if( current == (CircleListNode*)sList )
        {
            CircleListNode* last = CircleList_Get(sList, sList->length - 1);
            
            last->next = current->next;
        }
    }
    
    return ret;
}

CircleListNode* CircleList_Get(CircleList* list, int pos) // O(n)
{
    TCircleList* sList = (TCircleList*)list;
    CircleListNode* ret = NULL;
    int i = 0;
    
    if( (sList != NULL) && (pos >= 0) && (sList->length > 0) )
    {
        CircleListNode* current = (CircleListNode*)sList;
        
        for(i=0; i<pos; i++)
        {
            current = current->next;
        }
        
        ret = current->next;
    }
    
    return ret;
}

CircleListNode* CircleList_Delete(CircleList* list, int pos) // O(n)
{
    TCircleList* sList = (TCircleList*)list;
    CircleListNode* ret = NULL;
    int i = 0;
    
    if( (sList != NULL) && (pos >= 0) && (sList->length > 0) )
    {
        CircleListNode* current = (CircleListNode*)sList;
        CircleListNode* last = NULL;
        
        for(i=0; i<pos; i++)
        {
            current = current->next;
        }
        
        if( current == (CircleListNode*)sList )
        {
            last = (CircleListNode*)CircleList_Get(sList, sList->length - 1);
        }
        
        ret = current->next;
        current->next = ret->next;
        
        sList->length--;
        
        if( last != NULL )
        {
            sList->header.next = ret->next;
            last->next = ret->next;
        }
        
        if( sList->slider == ret )
        {
            sList->slider = ret->next;
        }
        
        if( sList->length == 0 )
        {
            sList->header.next = NULL;
            sList->slider = NULL;
        }
    }
    
    return ret;
}

CircleListNode* CircleList_DeleteNode(CircleList* list, CircleListNode* node) // O(n)
{
    TCircleList* sList = (TCircleList*)list;
    CircleListNode* ret = NULL;
    int i = 0;
    
    if( sList != NULL )
    {
        CircleListNode* current = (CircleListNode*)sList;
        
        for(i=0; i<sList->length; i++)
        {
            if( current->next == node )
            {
                ret = current->next;
                break;
            }
            
            current = current->next;
        }
        
        if( ret != NULL )
        {
            CircleList_Delete(sList, i);
        }
    }
    
    return ret;
}

CircleListNode* CircleList_Reset(CircleList* list) // O(1)
{
    TCircleList* sList = (TCircleList*)list;
    CircleListNode* ret = NULL;
    
    if( sList != NULL )
    {
        sList->slider = sList->header.next;
        ret = sList->slider;
    }
    
    return ret;
}

CircleListNode* CircleList_Current(CircleList* list) // O(1)
{
    TCircleList* sList = (TCircleList*)list;
    CircleListNode* ret = NULL;
    
    if( sList != NULL )
    {
        ret = sList->slider;
    }
    
    return ret;
}

CircleListNode* CircleList_Next(CircleList* list) // O(1)
{
    TCircleList* sList = (TCircleList*)list;
    CircleListNode* ret = NULL;
    
    if( (sList != NULL) && (sList->slider != NULL) )
    {
        ret = sList->slider;
        sList->slider = ret->next;
    }
    
    return ret;
}

2.#ifndef _CIRCLELIST_H_
#define _CIRCLELIST_H_

typedef void CircleList;
typedef struct _tag_CircleListNode CircleListNode;
struct _tag_CircleListNode
{
    CircleListNode* next;
};

CircleList* CircleList_Create();

void CircleList_Destroy(CircleList* list);

void CircleList_Clear(CircleList* list);

int CircleList_Length(CircleList* list);

int CircleList_Insert(CircleList* list, CircleListNode* node, int pos);

CircleListNode* CircleList_Get(CircleList* list, int pos);

CircleListNode* CircleList_Delete(CircleList* list, int pos);

CircleListNode* CircleList_DeleteNode(CircleList* list, CircleListNode* node);

CircleListNode* CircleList_Reset(CircleList* list);

CircleListNode* CircleList_Current(CircleList* list);

CircleListNode* CircleList_Next(CircleList* list);

#endif

3.#include <stdio.h>
#include <stdlib.h>
#include "CircleList.h"

/* run this program using the console pauser or add your own getch, system("pause") or input loop */

struct Value
{
    CircleListNode header;
    int v;
};

int main(int argc, char *argv[])
{
    CircleList* list = CircleList_Create();
    
    struct Value v1;
    struct Value v2;
    struct Value v3;
    struct Value v4;
    struct Value v5;
    struct Value v6;
    struct Value v7;
    struct Value v8;
    
    int i = 0;
    
    v1.v = 1;
    v2.v = 2;
    v3.v = 3;
    v4.v = 4;
    v5.v = 5;
    v6.v = 6;
    v7.v = 7;
    v8.v = 8;
    
    CircleList_Insert(list, (CircleListNode*)&v1, 0);
    CircleList_Insert(list, (CircleListNode*)&v2, 0);
    CircleList_Insert(list, (CircleListNode*)&v3, 0);
    CircleList_Insert(list, (CircleListNode*)&v4, 0);
    
    for(i=0; i<2*CircleList_Length(list); i++)
    {
        struct Value* pv = (struct Value*)CircleList_Get(list, i);
        
        printf("%d ", pv->v);
    }
    
    while( CircleList_Length(list) > 0 )
    {
        CircleList_Delete(list, 0);
    }
    
    printf(" ");
    
    CircleList_Destroy(list);
    
    return 0;
}

二 工程2：

1.#include <stdio.h>
#include <malloc.h>
#include "DLinkList.h"

typedef struct _tag_DLinkList
{
    DLinkListNode header;
    DLinkListNode* slider;
    int length;
} TDLinkList;

DLinkList* DLinkList_Create() // O(1)
{
    TDLinkList* ret = (TDLinkList*)malloc(sizeof(TDLinkList));
    
    if( ret != NULL )
    {
        ret->length = 0;
        ret->header.next = NULL;
        ret->header.pre = NULL;
        ret->slider = NULL;
    }
    
    return ret;
}

void DLinkList_Destroy(DLinkList* list) // O(1)
{
    free(list);
}

void DLinkList_Clear(DLinkList* list) // O(1)
{
    TDLinkList* sList = (TDLinkList*)list;
    
    if( sList != NULL )
    {
        sList->length = 0;
        sList->header.next = NULL;
        sList->header.pre = NULL;
        sList->slider = NULL;
    }
}

int DLinkList_Length(DLinkList* list) // O(1)
{
    TDLinkList* sList = (TDLinkList*)list;
    int ret = -1;
    
    if( sList != NULL )
    {
        ret = sList->length;
    }
    
    return ret;
}

int DLinkList_Insert(DLinkList* list, DLinkListNode* node, int pos) // O(n)
{
    TDLinkList* sList = (TDLinkList*)list;
    int ret = (sList != NULL) && (pos >= 0) && (node != NULL);
    int i = 0;
    
    if( ret )
    {
        DLinkListNode* current = (DLinkListNode*)sList;
        DLinkListNode* next = NULL;
        
        for(i=0; (i<pos) && (current->next != NULL); i++)
        {
            current = current->next;
        }
        
        next = current->next;
        
        current->next = node;
        node->next = next;
        
        if( next != NULL )
        {
            next->pre = node;
        }
        
        node->pre = current;
        
        if( sList->length == 0 )
        {
            sList->slider = node;
        }
        
        if( current == (DLinkListNode*)sList )
        {
            node->pre = NULL;
        }
        
        sList->length++;
    }
    
    return ret;
}

DLinkListNode* DLinkList_Get(DLinkList* list, int pos) // O(n)
{
    TDLinkList* sList = (TDLinkList*)list;
    DLinkListNode* ret = NULL;
    int i = 0;
    
    if( (sList != NULL) && (0 <= pos) && (pos < sList->length) )
    {
        DLinkListNode* current = (DLinkListNode*)sList;
        
        for(i=0; i<pos; i++)
        {
            current = current->next;
        }
        
        ret = current->next;
    }
    
    return ret;
}

DLinkListNode* DLinkList_Delete(DLinkList* list, int pos) // O(n)
{
    TDLinkList* sList = (TDLinkList*)list;
    DLinkListNode* ret = NULL;
    int i = 0;
    
    if( (sList != NULL) && (0 <= pos) && (pos < sList->length) )
    {
        DLinkListNode* current = (DLinkListNode*)sList;
        DLinkListNode* next = NULL;
        
        for(i=0; i<pos; i++)
        {
            current = current->next;
        }
        
        ret = current->next;
        next = ret->next;
        
        current->next = next;
        
        if( next != NULL )
        {
            next->pre = current;
            
            if( current == (DLinkListNode*)sList )
            {
                next->pre = NULL;
            }
        }
        
        if( sList->slider == ret )
        {
            sList->slider = next;
        }
        
        sList->length--;
    }
    
    return ret;
}

DLinkListNode* DLinkList_DeleteNode(DLinkList* list, DLinkListNode* node)
{
    TDLinkList* sList = (TDLinkList*)list;
    DLinkListNode* ret = NULL;
    int i = 0;
    
    if( sList != NULL )
    {
        DLinkListNode* current = (DLinkListNode*)sList;
        
        for(i=0; i<sList->length; i++)
        {
            if( current->next == node )
            {
                ret = current->next;
                break;
            }
            
            current = current->next;
        }
        
        if( ret != NULL )
        {
            DLinkList_Delete(sList, i);
        }
    }
    
    return ret;
}

DLinkListNode* DLinkList_Reset(DLinkList* list)
{
    TDLinkList* sList = (TDLinkList*)list;
    DLinkListNode* ret = NULL;
    
    if( sList != NULL )
    {
        sList->slider = sList->header.next;
        ret = sList->slider;
    }
    
    return ret;
}

DLinkListNode* DLinkList_Current(DLinkList* list)
{
    TDLinkList* sList = (TDLinkList*)list;
    DLinkListNode* ret = NULL;
    
    if( sList != NULL )
    {
        ret = sList->slider;
    }
    
    return ret;
}

DLinkListNode* DLinkList_Next(DLinkList* list)
{
    TDLinkList* sList = (TDLinkList*)list;
    DLinkListNode* ret = NULL;
    
    if( (sList != NULL) && (sList->slider != NULL) )
    {
        ret = sList->slider;
        sList->slider = ret->next;
    }
    
    return ret;
}

DLinkListNode* DLinkList_Pre(DLinkList* list)
{
    TDLinkList* sList = (TDLinkList*)list;
    DLinkListNode* ret = NULL;
    
    if( (sList != NULL) && (sList->slider != NULL) )
    {
        ret = sList->slider;
        sList->slider = ret->pre;
    }
    
    return ret;
}

2.#ifndef _DLINKLIST_H_
#define _DLINKLIST_H_

typedef void DLinkList;
typedef struct _tag_DLinkListNode DLinkListNode;
struct _tag_DLinkListNode
{
    DLinkListNode* next;
    DLinkListNode* pre;
};

DLinkList* DLinkList_Create();

void DLinkList_Destroy(DLinkList* list);

void DLinkList_Clear(DLinkList* list);

int DLinkList_Length(DLinkList* list);

int DLinkList_Insert(DLinkList* list, DLinkListNode* node, int pos);

DLinkListNode* DLinkList_Get(DLinkList* list, int pos);

DLinkListNode* DLinkList_Delete(DLinkList* list, int pos);

DLinkListNode* DLinkList_DeleteNode(DLinkList* list, DLinkListNode* node);

DLinkListNode* DLinkList_Reset(DLinkList* list);

DLinkListNode* DLinkList_Current(DLinkList* list);

DLinkListNode* DLinkList_Next(DLinkList* list);

DLinkListNode* DLinkList_Pre(DLinkList* list);

#endif

3.#include <stdio.h>
#include <stdlib.h>
#include "DLinkList.h"
/* run this program using the console pauser or add your own getch, system("pause") or input loop */

struct Value
{
    DLinkListNode header;
    int v;
};

int main(int argc, char *argv[])
{

    DLinkList* list = DLinkList_Create();
    
    struct Value v1;
    struct Value v2;
    struct Value v3;
    struct Value v4;
    struct Value v5;
    
    v1.v = 1;
    v2.v = 2;
    v3.v = 3;
    v4.v = 4;
    v5.v = 5;
    
    DLinkList_Insert(list, (DLinkListNode*)&v1, 0);
    DLinkList_Insert(list, (DLinkListNode*)&v2, 0);
    DLinkList_Insert(list, (DLinkListNode*)&v3, 0);
    DLinkList_Insert(list, (DLinkListNode*)&v4, 0);
    DLinkList_Insert(list, (DLinkListNode*)&v5, 0);
    
    DLinkList_Reset(list);
    
    //DLinkList_Pre(list);
    
    printf("%x ", DLinkList_Current(list));
    
    DLinkList_Destroy(list);
    
    return 0;
}

三 工程3：

1.#include <stdio.h>
#include <stdlib.h>
#include "SeqList.h"

/* run this program using the console pauser or add your own getch, system("pause") or input loop */

int main(int argc, char *argv[])
{
    SeqList* list = SeqList_Create(10);
    
    int i = 0;
    int j = 1;
    int k = 2;
    int x = 3;
    int y = 4;
    int z = 5;
    
    SeqList_Insert(list, &i, 0);
    SeqList_Insert(list, &j, 0);
    SeqList_Insert(list, &k, 0);
    SeqList_Insert(list, &x, 0);
    SeqList_Insert(list, &y, 0);
    SeqList_Insert(list, &z, 0);
    
    SeqList_Delete(list, 5);
    
    printf("%x ", SeqList_Get(list, 5));
    
    SeqList_Destroy(list);
    
    return 0;
}

2.#include <stdio.h>
#include <malloc.h>
#include "SeqList.h"

typedef unsigned int TSeqListNode;

typedef struct _tag_SeqList
{
    int capacity;
    int length;
    TSeqListNode* node;
} TSeqList;

SeqList* SeqList_Create(int capacity) // O(1)
{
    TSeqList* ret = NULL;
    
    if( capacity >= 0 )
    {
        ret = (TSeqList*)malloc(sizeof(TSeqList) + sizeof(TSeqListNode) * capacity);
    }
    
    if( ret != NULL )
    {
        ret->capacity = capacity;
        ret->length = 0;
        ret->node = (TSeqListNode*)(ret + 1);
    }
    
    return ret;
}

void SeqList_Destroy(SeqList* list) // O(1)
{
    free(list);
}

void SeqList_Clear(SeqList* list) // O(1)
{
    TSeqList* sList = (TSeqList*)list;
    
    if( sList != NULL )
    {
        sList->length = 0;
    }
}

int SeqList_Length(SeqList* list) // O(1)
{
    TSeqList* sList = (TSeqList*)list;
    int ret = -1;
    
    if( sList != NULL )
    {
        ret = sList->length;
    }
    
    return ret;
}

int SeqList_Capacity(SeqList* list) // O(1)
{
    TSeqList* sList = (TSeqList*)list;
    int ret = -1;
    
    if( sList != NULL )
    {
        ret = sList->capacity;
    }
    
    return ret;
}

int SeqList_Insert(SeqList* list, SeqListNode* node, int pos) // O(n)
{
    TSeqList* sList = (TSeqList*)list;
    int ret = (sList != NULL);
    int i = 0;
    
    ret = ret && (sList->length + 1 <= sList->capacity);
    ret = ret && (0 <= pos);
    
    if( ret )
    {
        if( pos >= sList->length )
        {
            pos = sList->length;
        }
        
        for(i=sList->length; i>pos; i--)
        {
            sList->node[i] = sList->node[i-1];
        }
        
        sList->node[i] = (TSeqListNode)node;
        
        sList->length++;
    }
    
    return ret;
}

SeqListNode* SeqList_Get(SeqList* list, int pos) // O(1)
{
    TSeqList* sList = (TSeqList*)list;
    SeqListNode* ret = NULL;
    
    if( (sList != NULL) && (0 <= pos) && (pos < sList->length) )
    {
        ret = (SeqListNode*)(sList->node[pos]);
    }
    
    return ret;
}

SeqListNode* SeqList_Delete(SeqList* list, int pos) // O(n)
{
    TSeqList* sList = (TSeqList*)list;
    SeqListNode* ret = SeqList_Get(list, pos);
    int i = 0;
    
    if( ret != NULL )
    {
        for(i=pos+1; i<sList->length; i++)
        {
            sList->node[i-1] = sList->node[i];
        }
        
        sList->length--;
    }
    
    return ret;
}

3.#ifndef _SEQLIST_H_
#define _SEQLIST_H_

typedef void SeqList;
typedef void SeqListNode;

SeqList* SeqList_Create(int capacity);

void SeqList_Destroy(SeqList* list);

void SeqList_Clear(SeqList* list);

int SeqList_Length(SeqList* list);

int SeqList_Capacity(SeqList* list);

int SeqList_Insert(SeqList* list, SeqListNode* node, int pos);

SeqListNode* SeqList_Get(SeqList* list, int pos);

SeqListNode* SeqList_Delete(SeqList* list, int pos);

#endif