#include <stdio.h>
#include <stdlib.h>
typedef struct student
{
     
      int no;
      float score;
      struct student *next;

}Student;

void main()
{
     
      
    Student *p,*q,*head;
    p=(Student *)malloc(sizeof(Student));
    q=(Student *)malloc (sizeof(Student));
    scanf("%d,%f",&p->no,&p->score);
    scanf("%d,%f",&q->no,&q->score);
    p->next=q;
    q->next=NULL;
    head=p;
    while(p!=NULL)
    {
         
          printf("%d,%f",p->no ,p->score);
          p=p->next;


    }
    p=head;
    while(p!=NULL)
    {
          
        q=p;
        p=p->next;
        free(q);
    }

}
为什么输入的不是想的那样的啊？？？