链表定义提示错误问题
本帖最后由 wdwhszw 于 2021-2-4 09:43 编辑请问一下我的代码提示的那个错误定义到底哪里有问题
#include<stdio.h>
#include<stdlib.h>
#include<malloc.h>
#define LEN sizeof(struct nb)
struct nb
{
long xh;
float cj;
struct nb *next;
};
void sc(struct nb *head)
{
struct nb *b;
b=head;
if(head)
{
do
{
printf("%d %f",b->xh,b->cj);
b=b->next;
}while(b);
}
}
struct nb *p()
{
int n=0;
struct nb *head,*p1,*p2;
p1=p2=(struct nb *)malloc(LEN);
head=NULL;
scanf("%d,%f",&p1->xh,&p1->cj);
while(p1->xh)
{
n=n+1;
if(n==1)
head=p1;
else
p2->next=p1;
p2=p1;
p1=(struct nb *)malloc(LEN);
scanf("%d,%f",&p1->xh,&p1->cj);
}
p2->next=NULL;
return head;
}
struct nb *del(struct nb *head,long num)
{
struct nb *p1,*p2;
if(head==NULL)
{
printf("null");
goto END;
}
p1=head;
while(num!=p1->xh&&p1->next!=NULL)
{
p2=p1;
p1=p1->next;
}
if(p1->xh==num)
{
if(p1==head)
head=p1->next;
else
p2->next=p1->next;
}
else
printf("not found");
END:
return head;
}
struct nb *xd(struct nb *head)
{
struct nb *p0,*p1,*p2;
p1=head;
P0=(struct nb *)malloc(LEN);
scanf("%d,%f",&p0->xh,&p0->cj);
if(head==NULL)
{
head=p0;
p0->next=NULL;
goto END;
}
while(p0->xh>p1->xh&&p1->next!=NULL)
{
p2=p1;
p1=p1->next;
}
if(p0->xh<=p1->xh)
{
if(p1==head)
{
head=p0;
p0->next=p1;
}
else
{
p2->next=p0;
p0->next=p1;
}
}
else
{
p1->next=p0;
p0->next=NULL;
}
END:
return head;
}
void main()
{
long a;
struct nb *str,*zh,*zj;
str=p();
sc(str);
scanf("%d",&a);
zh=del(str,a);
sc(zh);
zj=xd(zh);
sc(zj);
}
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