#include
#include
struct couse * head1;
struct student * head2;
struct couse//课程信息结构体
{
int num1;
char name1[20];
int score;
int nelepeo;//课程已选人数
int Melepeo;//课程人数上限
struct couse * next;
};
struct student//学生信息结构体
{
int num2;
char name2[20];
int nelenum[50];//已选课程编号
int nelen;//已选课程数量
struct student * next;
};
void keyboardc()//录入课程子函数(从键盘录入)
{
struct couse *p1,*p2;
N1=0;
p1=p2=(struct couse*)malloc(sizeof(struct couse));
printf("\n课程编号\t课程名称\t学分\t课程人数上限\n");
scanf("%d%s%d%d",&p1->num1,p1->name1,&p1->score,&p1->Melepeo);
p1->nelepeo=0;
head1=NULL;
while(p1->num1!=0&&p1->num1!='#')
{
N1=N1+1;
if(N1==1)head1=p1;
else p2->next=p1;
p2=p1;
p1=(struct couse * )malloc(sizeof(struct couse));
scanf("%d%s%d%d",&p1->num1,p1->name1,&p1->score,&p1->Melepeo);
p1->nelepeo=0;
}
p2->next=NULL;
}
void inputc()//录入课程主函数
{
int i;
printf("\n录入课程信息\n");
printf("\n1.从键盘录入\n");
printf("\n2.返回主菜单\n");
printf("\n请选择编号(1~3):\n");
scanf("%d",&i);
switch(i)
{
case(1):keyboardc();break;
case(2):break;
}
}
void insertc(struct couse *incouse)//课程信息增加子函数
{
struct couse *p0,*p1,*p2;
p1=head1;
p0=incouse;
if(head1==NULL)
{
head1=p0;
p0->next=NULL;
}
else
{
while((p0->num1>p1->num1)&&(p1->next!=NULL))
{
p2=p1;
p1=p1->next;
}
if(p0->num1 <= p1->num1)
{
if(head1==p1) head1=p0;
else p2->next=p0;
p0->next=p1;
}
else
{
p1->next=p0;
p0->next=NULL;
}
}
N1=N1+1;
}
void delc(int num1)//课程信息删除子函数
{
struct couse *p1,*p2;
if(head1==NULL)
{
printf("\n没有课程,无法删除!\n");
goto end;
}
p1=head1;
while(num1!=p1->num1 && p1->next!=NULL)
{
p2=p1;
p1=p1->next;
}
