Question

C语言代码求助

#pragma warning(disable : 4996)
#include<stdio.h>
#include<stdlib.h>
int count;
struct Student
{
char name[30];
int ID;
float Chinese;
float Math;
float English;
struct Student *next;
};
struct Student* Create(int Long)
{
struct Student *head = NULL;
struct Student *new;
struct Student *end;
new = end = (struct Student*)malloc(sizeof(struct Student));
count = 0;
printf("请输入第%d个同学的名字：\n", (count + 1));
scanf("%s", new->name);
printf("请输入第%d个同学的学号：\n", (count + 1));
scanf("%d", &new->ID);
printf("请输入第%d个同学的语文成绩：\n", (count + 1));
scanf("%f", &new->Chinese);
printf("请输入第%d个同学的数学成绩：\n", (count + 1));
scanf("%f", &new->Math);
printf("请输入第%d个同学的英语成绩：\n", (count + 1));
scanf("%f", &new->English);
while (1)
{
count++;
if (count = 1)
{
new->next = NULL;
head = new;
end = head;
}
else
{

new->next = NULL;
end->next = new;
end = new;
}
if (count = Long)
goto a;
new = (struct Student*)malloc(sizeof(struct Student));
printf("请输入第%d个同学的名字：\n", (count + 1));
scanf("%s", new->name);
printf("请输入第%d个同学的学号：\n", (count + 1));
scanf("%d", &new->ID);
printf("请输入第%d个同学的语文成绩：\n", (count + 1));
scanf("%f", &new->Chinese);
printf("请输入第%d个同学的数学成绩：\n", (count + 1));
scanf("%f", &new->Math);
printf("请输入第%d个同学的英语成绩：\n", (count + 1));
scanf("%f", &new->English);
}
a:
free(new);
return head;
}
int main()
{
struct Student *head;
int Long, i, b;
b = 0;
printf("请输入要记录学生的数量：\n");
scanf("%d", &Long);
head = Create(Long);
printf("成绩少于60分的同学：\n");
for (i = 1; i <= count; i++)
{
if ((head->Chinese < 60) || (head->Math < 60) || (head->English < 60))
{
printf("名字：%s\n", head->name);
printf("学号：%d\n", head->ID);
printf("语文成绩：%f\n", head->Chinese);
printf("数学成绩：%f\n", head->Math);
printf("英语成绩：%f\n", head->English);
printf("======================================\n");
b++;
}
head = head->next;
}
if (b = 0)
printf("没有人不及格！\n");
return 0;
}
================
如代码，我原本想实现的是通过链表来储存学生数据，并输出不及格的同学信息，但不知为何总是有错，求各位大神看一看

Answer 1

1、if(count=1)和if(count=Long)两句中的等号要改成双等号。
2、程序第一次出现Long的时候，Long还没有定义！

追问

还是很怪

追答

把free(new);这一句去掉！