#include

#include

struct stu

{

int grade1,grade2,grade3,count,average;

stu*next;

};

void main()

{

stu*head=NULL,*tail,*p;

int num,i=1,good_num=0,pass_num=0;

printf("请输入全班学生人数: ");

scanf("%d",&num);

for(;igrade1,&tail->grade2,&tail->grade3);

tail->count=tail->grade1+tail->grade2+tail->grade3;

tail->average=tail->count/3;

tail->next=NULL;

}else

{

p=(stu*)malloc(sizeof(stu));

tail->next=p;

tail=p;

printf("请输入第%d名学生的3门课程分数: ",i);

scanf("%d %d %d",&tail->grade1,&tail->grade2,&tail->grade3);

tail->count=tail->grade1+tail->grade2+tail->grade3;

tail->average=tail->count/3;

tail->next=NULL;

}

}

p=head;

i=1;

while(p)

{

printf("第%d个学生的总分为:%d 平均分为: %d\n",i,p->count,p->average);

if(p->average>=85)

{

good_num++;

}else if(p->average>=60)

{

pass_num++;

}

p=p->next;

i++;

}

printf("全班学生成绩优秀人数为:%d\n全班学生成绩通过人数为:%d\n",good_num,pass_num);

}