#include"stdio.h"
#include"malloc.h"
#include"stdlib.h"
#define LEH sizeof(struct student)//student结构的大小
struct student *creat(); //创建链表
void print(struct student *heat); //打印链表
struct student
{
int nen;
float score;
struct student *next;
};
int n;//全局变量,用来记录存放了多少数据.
void main()
{
struct student *stu;
stu=creat();
print(stu);
printf("\n\n");
printf("\n\n");
system("pause");
}
struct student *creat()
{
struct student *head;
struct student *p1,*p2;
p1=p2=(struct student *)malloc(LEH);//LEN是student结构的大小
printf("please enter the nen :");
scanf("%f",&p1->nen);
printf("please enter the scvore :");
scanf("%f",&p1->score);
head = NULL;
n = 0;
while(p1->nen)
{
n++;
if(1 == n)
{
head = p1;
}
else
{
p2->next=p1;
}
p2=p1;
p1=(struct student *)malloc(LEH);
printf("\nplease enter the nun :");
scanf("%d",&p1->nen );
printf("please enter the score :");
scanf("%f",&p1->score);
}
p2->next = NULL;
return head;
}
void print(struct student *head)
{
struct student *p;
printf("\nthere are %d records!\n\n",n);
p=head;
if(NULL != head)
{
do
{
printf("学号为 %d 的成绩是: %f\n",p->nen,p->score);
p = p->next ;
}while(p);
}
}