#include <stdio.h>
#include <stdlib.h>

struct student
{
    char name[9];
    int cj;
    student *next;
};

student *create(int n);
student *del_stu(student *h);

int main(void)
{
    student *head,*p;
    int n;

    printf("请输入n:");
    scanf("%d",&n);
    head=create(n);
    while(head=del_stu(head));
    p=head;
    while(p!=NULL)
    {
        printf("%s  %d\n",p->name,p->cj);
        p=p->next;
    }

    return 0;
}
student *create(int n)
{
    student *h,*p1,*p2;
    int i;

    p1=h=(student *)malloc(sizeof(student));
    scanf("%s%d",h->name,&h->cj);
    for (i=2;i<=n;i++)
    {
        p2=(student *)malloc(sizeof(student));
        scanf("%s%d",p2->name,&p2->cj);
        p1->next=p2;
        p1=p2;
    }
    p2->next=NULL;
    return h;
}
student *del_stu(student *h)
{
    student *p1=h,*p2;
    if (h=NULL)
        return h;
    if (h->cj<60)
    {
        h=h->next;
        delete p1;
        p1=h;
    }
    else
        while (p1->next!=NULL)
        {
            p2=p1->next;
            if (p2->cj<60)
            {
                p1->next=p2->next;
                delete p2;
                break;
            }
            else
                p1=p2;
        }

    return h;
}

输入n以及n个学生的信息（姓名，成绩），在删除其中成绩小于60分的节点，然后顺序输出这些学生的信息

o,我是新手，不懂，谢谢