链表源码之单向链表

来源：互联网发布：bilibili mac版编辑：程序博客网时间：2024/06/16 06:37

C数据结构单向链表

#include<stdio.h>
#include<stdlib.h>
#include<malloc.h>
#include<assert.h>
typedef struct PNode
{
int data;
struct PNode *next;
}Node;
void CreateListFirstInsert(Node *&N,int a[],int n)
{
          Node *T;
          N =(Node *)malloc(sizeof(Node));
          N->data = 0;
          N->next = NULL;
          for(int i = 0;i<= n;i++)
          {
                    T = (Node *)malloc(sizeof(Node));
                    T->data = a[i];
                    T->next = N->next;
                    N->next = T;
          }
}
void CreateListLastInsert(Node *&N,int a[],int n)
{
          Node *T,*R;
          N =(Node *)malloc(sizeof(Node));
          N->data = 0;
          R = N;
          for(int i = 0;i< n;i++)
          {
                    T = (Node *)malloc(sizeof(Node));
                    T->data = a[i];
                    R->next = T;
                    R = R->next;
          }
          T->next = NULL;
}
int GetLength(Node *N)
{
          assert(N);
          int i = 0;
          Node *p = N;
          while(p != NULL)
          {
                    p = p->next;
                    i++;
          }
          return i;
}
void DisplayList(Node *N)
{
          if(N == NULL)
                    return;
         Node *p = N->next;
          while(p != NULL)
          {
                    printf("%d/n",p->data);
                    p = p->next;
          }
}
int InsertList(Node *N,int n,int x)
{
          assert(N);
          int i = 0;
          Node *p = N;
          Node *L = (Node *)malloc(sizeof(Node));
          L->data = x;
          if(n <=0 || n >= GetLength(N))
          {
                    printf("please enter a right number!!");
                    return 0;
          }
          while(i < n)
          {
                    p = p->next;
                    i++;
          }
          L->next = p->next;
          p->next = L;

          return 1;
}
//首先要保证变量n的正确性，用p指向它,q指向要删除的结点。
int DeletetList(Node *N,int n)
{
          assert(N);
          int i = 1;
          Node *p = N,*q;
          if(n <=0 || n >= GetLength(N))
          {
                    printf("please enter a right number!!");
                    return 0;
          }
          while(i < n)
          {
                    p = p->next;
                    i++;
          }
          q = p->next;
          p->next = q->next;
          return 1;
}
void main()
{
          Node *Node = NULL;
          int a[]={1, 2, 3, 4, 5};
          CreateListLastInsert(Node,a,5);

if(Node != NULL)
DisplayList(Node);

if(InsertList(Node,3,6))
printf("Insert success!!/n");

if(DeletetList(Node,3))
printf("Delete success!!/n");
}

===================================================================

C数据结构单向循环链表

          for(int i = 0;i< n;i++)
          {

                    T = (Node *)malloc(sizeof(Node));
                    T->data = a[i];
                    R->next = T;
                    R = R->next;
          }

          T->next = NULL;
}
//设置i为计数器，当p指针等于头结点时结束查找
int GetLength(Node *N)
{
          assert(N);
          int i = 0;
          Node *p = N->next;
          while(p != N)
          {
                    i++;
                    p = p->next;
          }
          return i;
}
void DisplayList(Node *N)
{
          if(N == NULL)
                    return;
          Node *p = N->next;
          while(p != NULL)
          {
                    printf("%d/n",p->data);
                    p = p->next;
          }
}
int InsertList(Node *N,int n,int x)
{
          assert(N);
          int i = 0;
          Node *p = N;
          Node *L = (Node *)malloc(sizeof(Node));
          L->data = x;

          if(n <=0 || n >= GetLength(N))
          {
                    printf("please enter a right number!!");
                    return 0;
          }

          while(i < n)
          {
                    p = p->next;
                    i++;
          }

          L->next = p->next;
          p->next = L;

          return 1;
}
//首先要保证变量n的正确性，用p指向它,q指向要删除的结点。
int DeletetList(Node *N,int n)
{
          assert(N);
          int i = 1;
          Node *p = N,*q;
          if(n <=0 || n >= GetLength(N))
          {
                    printf("please enter a right number!!");
                    return 0;
          }
          while(i < n)
          {
                    p = p->next;
                    i++;
          }
          q = p->next;
          p->next = q->next;

          return 1;
}
void main()
{
          Node *Node = NULL;
          int a[]={1, 2, 3, 4, 5};
           CreateListFirstInsert(Node,a,5);

if(Node != NULL)
printf("create success length is %d!!/n",GetLength(Node));

if(InsertList(Node,3,6))
printf("Insert success!!/n");

if(DeletetList(Node,3))
printf("Delete success!!/n");/**/
}