数据结构单链表的相关操作(linux下实现)C语言
2017-07-27 21:01
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数据结构单链表相关操作:
1.linklist.h文件下代码
#ifndef __LINKLIST_H__
#define __LINKLIST_H__
#include<stdio.h>
#include<stdlib.h>
typedef int datatype;
typedef struct node
{
datatype data;
struct node *next;
}listnode,*linklist;
extern linklist list_create();
extern linklist list_create2();
extern void list_show(linklist H);
extern linklist list_get(linklist H,int pos);
extern linklist list_locate(linklist H,datatype value);
extern int list_head_insert(linklist H,datatype value);
extern int list_delete(linklist H,int pos);
extern void list_reverse(linklist H);
extern int list_order_insert(linklist H,datatype value);
extern int list_insert(linklist H,int pos,datatype value);
extern void list_sort(linklist H);
#endif
2.linklist.c函数实现
#include"linklist.h"
linklist list_create()
{
linklist H;
if((H = (linklist)malloc(sizeof(listnode))) == NULL)
{
printf("malloc failedd!\n");
return H;
}
H->data =0;
H->next = NULL;
return H;
}
linklist list_create2()
{
linklist H,r,p; //r指向表尾
datatype value;
if((H = (linklist)malloc(sizeof(listnode))) == NULL)
{
printf("malloc failedd!\n");
return H;
}
H->data =0;
H->next = NULL;
r = H;
while(1)
{
printf("input word(# exit):");
scanf("%d",&value);
getchar();
if(value == -1)
break;
if((p = (linklist)malloc(sizeof(listnode))) == NULL)
{
printf("malloc failedd!\n");
return H;
}
p->data = value;
p->next = NULL;
r->next = p;
r = p;
}
return H;
}
void list_show(linklist H)
{
while(H->next)
{
printf("%d ",H->next->data);
H = H->next;
}
printf("\n");
}
int list_head_insert(linklist H,datatype value)
{
linklist p;
if((p = (linklist)malloc(sizeof(listnode)))==NULL )
{
printf("malloc failed\n");
return -1;
}
p->data = value;
p->next = H->next;
H->next = p;
return 0;
}
linklist list_get(linklist H,int pos)
{
linklist p = H;
int i = -1;
if (pos < 0)
{
printf("position is invalib:<)\n");
return NULL;
}
while(p ->next &&i < pos)
{
p = p->next;
i++;
}
if(i == pos)
{
return p;
}
else
{
printf("position is invalib:<)\n");
return NULL;
}
}
linklist list_locate(linklist H,datatype value)
{
linklist p = H->next;
while(p && p->data !=value)
{
p = p->next;
}
return p;
}
int list_insert(linklist H,int pos,datatype value)
{
linklist p,q;
if(pos == 0)
{
p = H;
}
else
{
p = list_get(H,pos-1);
}
if(p == NULL)
{
printf("para is invalid\n");
return -1;
}
else
{
if((q = (linklist)malloc(sizeof(listnode)))==NULL)
{
printf("melloc failed\n");
return -1;
}
q->data = value;
q->next = p->next;
p->next = q;
return 0;
}
}
int list_delete(linklist H,int pos)
{
linklist p,q;
if(pos == 0)
{
p =H;
}
else
{
p = list_get(H,pos - 1);
}
if(p == NULL || p->next == NULL)
{
printf("para is invalid\n");
return -1;
}
else
{
q = p->next;
p->next = q->next;
free(q);
q = NULL;
return 0;
}
}
void list_reverse(linklist H)
{
linklist p,q;
p = H->next;
H->next =NULL;
while(p != NULL)
{
q = p;
p = p-> next;
q ->next = H->next;
H->next = q;
}
}
int list_order_insert(linklist H,datatype value)
{
linklist p,q;
if((p = (linklist)malloc(sizeof(listnode))) ==NULL)
{
printf("malloc failed\n");
return -1;
}
p ->data = value;
q = H;
while(q->next && q->next->data <value)
{
q = q->next;
}
p->next = q->next;
q->next = p;
return 0;
}
void list_sort(linklist H)
{
linklist p,q,r;
p = H->next;
H->next = NULL;
while(p)
{
q = p;
p = p->next;
r = H;
while(r ->next && r->next->data < q->data)
{
r = r->next;
}
q ->next = r->next;
r->next = q;
}
}
3.makefile文件代码:
CFLAGS=-c -Wall -g
test:linklist.o test.o
.PHONY:clean
clean:
rm *.o test
1.linklist.h文件下代码
#ifndef __LINKLIST_H__
#define __LINKLIST_H__
#include<stdio.h>
#include<stdlib.h>
typedef int datatype;
typedef struct node
{
datatype data;
struct node *next;
}listnode,*linklist;
extern linklist list_create();
extern linklist list_create2();
extern void list_show(linklist H);
extern linklist list_get(linklist H,int pos);
extern linklist list_locate(linklist H,datatype value);
extern int list_head_insert(linklist H,datatype value);
extern int list_delete(linklist H,int pos);
extern void list_reverse(linklist H);
extern int list_order_insert(linklist H,datatype value);
extern int list_insert(linklist H,int pos,datatype value);
extern void list_sort(linklist H);
#endif
2.linklist.c函数实现
#include"linklist.h"
linklist list_create()
{
linklist H;
if((H = (linklist)malloc(sizeof(listnode))) == NULL)
{
printf("malloc failedd!\n");
return H;
}
H->data =0;
H->next = NULL;
return H;
}
linklist list_create2()
{
linklist H,r,p; //r指向表尾
datatype value;
if((H = (linklist)malloc(sizeof(listnode))) == NULL)
{
printf("malloc failedd!\n");
return H;
}
H->data =0;
H->next = NULL;
r = H;
while(1)
{
printf("input word(# exit):");
scanf("%d",&value);
getchar();
if(value == -1)
break;
if((p = (linklist)malloc(sizeof(listnode))) == NULL)
{
printf("malloc failedd!\n");
return H;
}
p->data = value;
p->next = NULL;
r->next = p;
r = p;
}
return H;
}
void list_show(linklist H)
{
while(H->next)
{
printf("%d ",H->next->data);
H = H->next;
}
printf("\n");
}
int list_head_insert(linklist H,datatype value)
{
linklist p;
if((p = (linklist)malloc(sizeof(listnode)))==NULL )
{
printf("malloc failed\n");
return -1;
}
p->data = value;
p->next = H->next;
H->next = p;
return 0;
}
linklist list_get(linklist H,int pos)
{
linklist p = H;
int i = -1;
if (pos < 0)
{
printf("position is invalib:<)\n");
return NULL;
}
while(p ->next &&i < pos)
{
p = p->next;
i++;
}
if(i == pos)
{
return p;
}
else
{
printf("position is invalib:<)\n");
return NULL;
}
}
linklist list_locate(linklist H,datatype value)
{
linklist p = H->next;
while(p && p->data !=value)
{
p = p->next;
}
return p;
}
int list_insert(linklist H,int pos,datatype value)
{
linklist p,q;
if(pos == 0)
{
p = H;
}
else
{
p = list_get(H,pos-1);
}
if(p == NULL)
{
printf("para is invalid\n");
return -1;
}
else
{
if((q = (linklist)malloc(sizeof(listnode)))==NULL)
{
printf("melloc failed\n");
return -1;
}
q->data = value;
q->next = p->next;
p->next = q;
return 0;
}
}
int list_delete(linklist H,int pos)
{
linklist p,q;
if(pos == 0)
{
p =H;
}
else
{
p = list_get(H,pos - 1);
}
if(p == NULL || p->next == NULL)
{
printf("para is invalid\n");
return -1;
}
else
{
q = p->next;
p->next = q->next;
free(q);
q = NULL;
return 0;
}
}
void list_reverse(linklist H)
{
linklist p,q;
p = H->next;
H->next =NULL;
while(p != NULL)
{
q = p;
p = p-> next;
q ->next = H->next;
H->next = q;
}
}
int list_order_insert(linklist H,datatype value)
{
linklist p,q;
if((p = (linklist)malloc(sizeof(listnode))) ==NULL)
{
printf("malloc failed\n");
return -1;
}
p ->data = value;
q = H;
while(q->next && q->next->data <value)
{
q = q->next;
}
p->next = q->next;
q->next = p;
return 0;
}
void list_sort(linklist H)
{
linklist p,q,r;
p = H->next;
H->next = NULL;
while(p)
{
q = p;
p = p->next;
r = H;
while(r ->next && r->next->data < q->data)
{
r = r->next;
}
q ->next = r->next;
r->next = q;
}
}
3.makefile文件代码:
CFLAGS=-c -Wall -g
test:linklist.o test.o
.PHONY:clean
clean:
rm *.o test
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