#include

#include

int N1,N2,kk1,kk2,kk3;

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 Ms()

{

for(kk1=0;kk1<1100;kk1++)

for(kk2=0;kk2<1200;kk2++)

for(kk3=0;kk3<1200;kk3++);

}

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("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)

{

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 filec()//录入键盘子函数(从文件录入)

{

FILE * fp;

char filepath[20];

struct couse *p1,*p2;

N1=0;

printf("输入要读入的文件路径:");

getchar();

gets(filepath);

if((fp=fopen(filepath,"r"))==NULL)

{

printf("找不到%s文件!\n",filepath);

exit(0);

}

p1=p2=(struct couse*)malloc(sizeof(struct couse));

fscanf(fp,"%d%s%d%d%d",&p1->num1,p1->name1,&p1->score,&p1->nelepeo,&p1->Melepeo);

head1=NULL;

while(!feof(fp))

{

N1=N1+1;

if(N1==1)head1=p1;

else p2->next=p1;

p2=p1;

p1=(struct couse * )malloc(sizeof(struct couse));

fscanf(fp,"%d%s%d%d%d",&p1->num1,p1->name1,&p1->score,&p1->nelepeo,&p1->Melepeo);

}

p2->next=NULL;

}

void inputc()//录入课程主函数

{

int i;

printf("\t\t\t录入课程信息\n");

printf("\n1.从键盘录入\n");

printf("2.从文件录入\n");

printf("3.返回主菜单\n");

printf("请选择(1~3):\n");

scanf("%d",&i);

switch(i)

{

case(1):keyboardc();break;

case(2):filec();break;

case(3):break;

}

}

void insertc(struct couse *incouse)//课程管理子函数(增加课程)

{

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))