错哪了.链表

[latofi]

#include <stdio.h>
#include <malloc.h>
#include <stdlib.h>
#define LEN sizeof(struct worker)

struct worker
{
	int num;
	char name[20];
	int salary;
	struct worker *next;
};

int main()
{
	int n=0;
	struct worker *p1,*p2,*head;
	p1=p2=(struct worker*)malloc(LEN);
	scanf("%d",&p1->num);
	scanf("%s",p1->name);
	scanf("%d",&p1->salary);
	head=NULL;

	if(p1->num!=0)
		while(1)
		{
			n++;
			if(n==1) head=p1;
			else p2->next=p1;
			p2=p1;
			p1=(struct worker*)malloc(LEN);
			scanf("%d",&p1->num);
			if(p1->num == 0) break;
			scanf("%s",p1->name);
			scanf("%d",&p1->salary);
		}
	p2->next=NULL;

	while(p1!=NULL)
	{
		printf("%d,%s,%d\n",p1->num,p1->name,p1->salary);
		p1=p1->next;
	}

	printf("Please input new worker's information\n");
	struct worker *newer;
	newer=(struct worker*)malloc(LEN);
	scanf("%d",&newer->num);
	scanf("%s",newer->name);
	scanf("%d",&newer->salary);

	n++;
	p1=head;
	if(head==NULL)
	{
		head=newer;
		newer->next=NULL;
	}
	else
	{
		while((newer->num > p1->num)&&(p1->next != NULL))
		{
			p2=p1;
			p1=p1->next;
		}
		if(newer->num <= p1->num)
		{
			if(p1==head) head=newer;
			else p2->next=newer;
			newer->next=p1;
		}
		else
		{
			p1->next=newer;
			newer->next=NULL;
		}
	}
}

--------------------Configuration: 1 - Win32 Debug--------------------
Compiling...
1.c
D:\1.c(46) : error C2143: syntax error : missing ';' before 'type'
D:\1.c(47) : error C2065: 'newer' : undeclared identifier
D:\1.c(47) : warning C4047: '=' : 'int ' differs in levels of indirection from 'struct worker *'
D:\1.c(48) : error C2223: left of '->num' must point to struct/union
D:\1.c(49) : error C2223: left of '->name' must point to struct/union
D:\1.c(50) : error C2223: left of '->salary' must point to struct/union
D:\1.c(56) : warning C4047: '=' : 'struct worker *' differs in levels of indirection from 'int '
D:\1.c(57) : error C2223: left of '->next' must point to struct/union
D:\1.c(61) : error C2223: left of '->num' must point to struct/union
D:\1.c(66) : error C2223: left of '->num' must point to struct/union
D:\1.c(68) : warning C4047: '=' : 'struct worker *' differs in levels of indirection from 'int '
D:\1.c(69) : warning C4047: '=' : 'struct worker *' differs in levels of indirection from 'int '
D:\1.c(70) : error C2223: left of '->next' must point to struct/union
D:\1.c(74) : warning C4047: '=' : 'struct worker *' differs in levels of indirection from 'int '
D:\1.c(75) : error C2223: left of '->next' must point to struct/union
Error executing cl.exe.

1.obj - 10 error(s), 5 warning(s)

[ckt]

d:\1.c -> d:\1.cpp

-_-

[xiaoyisnail]

又是楼主。。。
这次编译没错啊

[fibbery]

代码不全吧？没看见哪有tpye，47行是哪一行？

[xiaoyisnail]

[Quote=引用 1 楼 ckt1120 的回复:]
d:\1.c  ->  d:\1.cpp

-_-

[/Quote]

1.c也没错啊，gcc通过编译

[baihacker]

    int n=0;
    struct worker *p1,*p2,*head;
    p1=p2=(struct worker*)malloc(LEN);
    scanf("%d",&p1->num);
    scanf("%s",p1->name);
    scanf("%d",&p1->salary);
    head=NULL;

    if(p1->num!=0)
        while(1)
        {
            n++;
            if(n==1) head=p1;
            else p2->next=p1;
            p2=p1;
            p1=(struct worker*)malloc(LEN);
            scanf("%d",&p1->num);
            if(p1->num == 0) break;
            scanf("%s",p1->name);
            scanf("%d",&p1->salary);
        }
    p2->next=NULL;
	p1 = head;/*notice*/
    while(p1!=NULL)
    {
        printf("%d,%s,%d\n",p1->num,p1->name,p1->salary);
        p1=p1->next;
    }

    printf("Please input new worker's information\n");
    {
		struct worker *newer;
		newer=(struct worker*)malloc(LEN);
		scanf("%d",&newer->num);
		scanf("%s",newer->name);
		scanf("%d",&newer->salary);
	
		n++;
		p1=head;
		if(head==NULL)
		{
			head=newer;
			newer->next=NULL;
		}
		else
		{
			while((newer->num > p1->num)&&(p1->next != NULL))
			{
				p2=p1;
				p1=p1->next;
			}
			if(newer->num <= p1->num)
			{
				if(p1==head) head=newer;
				else p2->next=newer;
				newer->next=p1;
			}
			else
			{
				p1->next=newer;
				newer->next=NULL;
			}
		}
    }

[nullah]

VS2005下试了也没错~~

[zhangxichao]

C语言中声明变量应该在函数的开头，struct worker *newer;应该放到函数的开头

[latofi]

1楼:你的是对的,你能告诉下原因吗?
2楼:对啊,又是我啊.
3楼:这是所有的代码了.
4楼: ^_^

不知道怎么回事,我把文件名改成1.cpp 就能编译通过,但是改回1.c 就提示上面的错误了.

[xiaoyuer5222]

#include <stdio.h>
#include <malloc.h>
#include <stdlib.h>


struct worker
{
    int num;
    char name[20];
    int salary;
    struct worker *next;
};
#define LEN sizeof(struct worker)
int main()
{
    int n=0;
    struct worker *p1,*p2,*head;
    p1=p2=(struct worker*)malloc(LEN);
    scanf("%d",&p1->num);
    scanf("%s",p1->name);
    scanf("%d",&p1->salary);
    head=NULL;
	
    if(p1->num!=0)
        while(1)
        {
            n++;
            if(n==1) head=p1;
            else p2->next=p1;
            p2=p1;
            p1=(struct worker*)malloc(LEN);
            scanf("%d",&p1->num);
            if(p1->num == 0) break;
            scanf("%s",p1->name);
            scanf("%d",&p1->salary);
        }
		p2->next=NULL;
/*-----------------------------------------------------------------*/
		struct worker*p; /* 这里该一下 */
		p=head;
		while(p!=NULL)
		{
			printf("%d,%s,%d\n",p->num,p->name,p->salary);
			p=p->next;
		}
/*-----------------------------------------------------------------*/		
		printf("Please input new worker's information\n");
		struct worker *newer;
		newer=(struct worker*)malloc(LEN);
		scanf("%d",&newer->num);
		scanf("%s",newer->name);
		scanf("%d",&newer->salary);
		
		n++;
		p1=head;
		if(head==NULL)
		{
			head=newer;
			newer->next=NULL;
		}
		else
		{
			while((newer->num > p1->num)&&(p1->next != NULL))
			{
				p2=p1;
				p1=p1->next;
			}
			if(newer->num <= p1->num)
			{
				if(p1==head) head=newer;
				else p2->next=newer;
				newer->next=p1;
			}
			else
			{
				p1->next=newer;
				newer->next=NULL;
			}
		}
/* 这里加一条输出的测试 */
		p=head;
		while(p!=NULL)
		{
			printf("%d,%s,%d\n",p->num,p->name,p->salary);
			p=p->next;
		}
		return 0;
}
结果：
1 huang 1000
3 yu    2000
0
1,huang,1000
3,yu,2000
Please input new worker's information
2 xiao 3000
1,huang,1000
2,xiao,3000
3,yu,2000
Press any key to continue

[xiaoyuer5222]

[Quote=引用 8 楼 latofi 的回复:]
1楼:你的是对的,你能告诉下原因吗?
2楼:对啊,又是我啊.
3楼:这是所有的代码了.
4楼: ^_^

不知道怎么回事,我把文件名改成1.cpp 就能编译通过,但是改回1.c 就提示上面的错误了.
[/Quote]

C中的声明只能在语句块的开头，不能像C++中在哪用在哪声明

[baihacker]

d:\>gcc c.c

d:\>a
1 1 1
2 2 2
0 0 0
1,1,1
2,2,2
Please input new worker's information
1 1 1