建立简单动态链运行后没有结果(C语言)在线等。谢谢!
#include
#include
#define LEN sizeof(struct student)
struct student
{
long num;
float score;
struct student *next;
};
int n;
struct student *creat(void)
{
struct stduent *head;
struct student *p1,*p2;
n=0;
p1=p2=(struct student *) malloc(LEN);
scanf("%ld,%f",&p1->num,&p1->score);
head=NULL;
while(p1->num!=0)
{
n=n+1;
if(n==1) head=p1;
else p2->next=p1;
p2=p1;
p1=(struct student *) malloc(LEN);
scanf("%ld,%f",&p1->num,&p1->score);
}
p2->next=NULL;
return (head);
}
int main()
{
struct student *pt;
pt=creat();
printf("\n num:%ld\n score:%5.1f\n",pt->num,pt->score);
return 0;
} |
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