运行的时候一直是输入   没有输出

#include <stdio.h>
#include <malloc.h>
#define  NULL 0   //这里出现了redefined
#define LEN sizeof(struct student)
struct student
{
    long num;
    char name[20];
    char sex[6];
    float score[3];
    struct student*next;
};
int main ()
{
    int n=1;
    struct student *head,*p1,*p2;
    head=p1=p2=(struct student*)malloc(LEN);
    scanf("%d %s %s %f %f %f",&p1->num,
                              p1->name,
                              p1->sex,
                              &p1->score[0],
                              &p1->score[1],
                              &p1->score[2]);//format '%d' expects type 'int *', but argument 2 has type 'long int *'
    while(p1->num!=0)
    {
        if(n>1)
            p2->next=p1;
        p2=p1;
        n++;
        p1=(struct student*)malloc(LEN);
        scanf("%d %s %s %f %f %f",&p1->num,
                                   p1->name,
                                   p1->sex,
                                   &p1->score[0],
                                   &p1->score[1],
                                   &p1->score[2]);// &p1->score[2]这句出现了format '%d' expects type 'int *', but argument 2 has type 'long int *'
    }
    p1=NULL;
    p1=head;
    if(p1!=NULL)
        do
        {
            printf("%d %s %s %f %f %f",&p1->num,
                                      p1->name,
                                      p1->sex,
                                      &p1->score[0],
                                      &p1->score[1],
                                      &p1->score[2]);//format '%d' expects type 'int *', but argument 2 has type 'long int *'
            p1=p1->next;
        }while(p1!=NULL);
    return 0;
}

急啊