#include"stdio.h"
#include"stdlib.h"

typedef struct node
{
    int num ,score;
    struct node *next;/*指针域*/
}Node,* Link;


Node *creat(Link head,int n)/*初始化一个空链表*/
{
    Node *p,*q;
    int i;
    for(i=1;i<=5;i++)
    {
        q=(Link )malloc(sizeof(Node));
        printf("input%d num,score:\n",i);
        scanf("%d,%d",&q->next,&q->score);
        q->next=NULL;
        if(head==NULL)
            head=q;
        else
            p->next=q;
        p=q;/*把q的结点地址赋值给p，为下一次q开辟结点空间保留上一次结点地址*/
    }
    return head;
}



void print(Link head)/*输出输入的链表*/
{
    Node  *p=head;
    printf("num\tscore\n");
    while(p!=NULL)
    {
        printf("%d\t%d\t",p->num,p->score);
        p=p->next;
    }
}


void main()
{
    Node *creat(Link head,int n);
    void print(Link head);
    struct node *head=NULL;
    head=creat(head,5);
    print(head);
}

scanf("%d,%d", &q->next, &q->score);

这一句代码是明显的错误
请再仔细看看！