修改程序代码中的错误
#include "stdio.h"#include "stdlib.h"
#include "string.h"
#include "malloc.h"
#define cnt 32
typedef float elem;
typedef struct student
{
long int numble;
char name[10];
elem dy;
elem zy;
elem ty;
elem a[8];
elem b[6];
elem sum;
}stu;
stu s[cnt];
float countstu(stu *s,int m,int n)//计算每位学生的总成绩
{
int i,j;
s->dy=0;
s->ty=0;
s->sum=0;
for(i=0;i<m;i++)
s->dy+=s->a[i];
s->dy*=5.0;
for(j=0;j<n;j++)
s->ty+=s->b[j];
s->ty*=5.0;
s->sum=s->dy+s->zy+s->ty;
return s->sum;
}
void sortsum(stu *s,int cnt)//按总成绩高低排序并输出排序后的结
果
{
int i,j,k;
stu R;
for(i=0;i<cnt-1;i++)
for(j=1;j<cnt;j++)
if(s[i]->sum<s[j]->sum)
{
R=s[i];
s[i]=s[j];
s[j]=R;
}
for(i=0;i<cnt;i++)
{
printf("输出学号为ld的学生记录:") ;
printf("%ld\t %s\t %6.2f\t ",s[i]->numble,s[i]->name,s
[i]->zy);
for(j=0;j<m,j++)
printf("%6.2f\t ",s[i].a[j]);
for(k=0;k<n,k++);
printf("%6.2f\t ",s[i].b[k]);
printf("%6.2f\t %6.2f\t %6.2f\t",s[i]->dy,s[i]-
>ty,s[i]->sum);
printf("\n");
}
}
/*按智育成绩排序*/
void stuzy()
{
int i,j;
stu R;
for(i=0;i<cnt-1;i++)
for(j=1;j<cnt;j++)
if(s[i]->zy<s[j]->zy)
{
R=s[i];
s[i]=s[j];
s[j]=R;
}
for(i=0;i<cnt;i++)
printf("%ld\t %s\t %6.2f\t\n",s[i].numble,s
[i].name,s[i].zy);
}
/*按德育成绩排序*/
void study(stu s[],int cnt)
{
int i,j;
stu R;
for(i=0;i<cnt-1;i++)
for(j=1;j<cnt;j++)
if(s[i]->dy<s[j]->dy)
{
R=s[i];
s[i]=s[j];
s[j]=R;
}
for(i=0;i<cnt;i++)
printf("%ld\t %s\t %6.2f\t\n",s[i].numble,s
[i].name,s[i].dy);
}
/*按体育成绩排序，仅输出成绩大于等于10的学生信息*/
void stuty(stu s[],int cnt)
{
int i,j;
stu R;
for(i=0;i<cnt-1;i++)
for(j=1;j<cnt;j++)
if(s[i]->ty<s[j]->ty)
{
R=s[i];
s[i]=s[j];
s[j]=R;
}
for(i=0;i<cnt;i++)
if(s[i].ty>=10.0)
printf("%ld\t %s\t %6.2f\t\n",s[i]-
>numble,s[i]->name,s[i]->ty);
else break;
}
void checkstu(stu s[],int cnt)//查询姓名为"**"的学生信息
{
int i;
for(i=0;i<n&&strcmp(s[i].name,"李同学")，i++);/*空循环
，条件为假时退出*/
if(i==n) printf("未找到**同学的相关信息");
else if(i<n)
{
printf("输出查询结果：\n");
printf("%ld, %s, %6.2f",s[i]->numble,s[i]-
>name,s[i]->zy);
for(j=0;j<m,j++)
printf("%6.2f",s[i]->a[j]);
for(k=0;k<n,k++);
printf("%6.2f,s[i].b[k]");
printf("%6.2f, %6.2f, %6.2f",s[i]->dy,s[i]->ty,s
[i]->sum);
}
}
void avestu(stu s[],int cnt)//输出全班同学的平均成绩
{
int i;
float count1=0.0,count2=0.0;count3=0.0,count=0.0;
float avgzy,avgdy,avgty,avg;
for(i=0;i<cnt;i++)
{
count1+=s[i]->zy;
count2+=s[i]->dy;
count3+=s[i]->ty;
count+=s[i]->sum;
}
avgzy/=cnt;
avgdy/=cnt;
avgty/=cnt;
avgzy/=cnt;
avg/=cnt;
printf("输出学生的智育，德育，体育的平均分:\n");
printf("avgzy=%6.2f\navgdy=%6.2f\navgty=%
6.2f\n",avgzy,avgdy,avgty);
printf("输出学生的总成绩的平均分:\n");
printf("avg=%6.2f",avg);
}
void readdat()
{
FILE *fp;
char str[],ch[];
int i;
fp=fopen("in.dat","r");
for(i=0;i<32;i++)
{
fscanf(fp,"%ld ",&s[i].numble);
gets(s[i].name);
fsc%anf(fp,"%6.2f %6.2f %6.2f %6.2f %6.2f %6.2f %6.2f %6.2f %6.2f %6.2f %6.2f %6.2f %6.2f %6.2f %6.2f %6.2f %6.2f %6.2f ",&s[i].zy,&s[i].a[0],&s[i].a[1],&s [i].a[2],&s[i].a[3],&s[i].a[4],&s[i].a[5],&s[i].a[6],&s[i].a[7],&s[i].b[0],&s[i].b[0],&s[i].b[1],&s [i].b[2],&s[i].b[3],&s[i].b[4],&s[i].b5],&s[i].dy,&s [i].ty,&s[i].sum);
}
fclose(fp);
}
void writedat()
{
FILE *fp;
int i,j,k;
fp=fopen(fp,"out.dat","w");
for(i=0;i<32;i++)
{
fprintf(fp,"%ld %s %6.2f %6.2f %6.2f %6.2f %
6.2f %6.2f %6.2f %6.2f %6.2f %6.2f %6.2f %6.2f %6.2f %6.2f %
6.2f %6.2f %6.2f ",
s[i].numble,s[i].name,s[i].zy,s[i].a
[0],s[i].a[1],s[i].a[2],s[i].a[3],s[i].a[4],s[i].a[5],s[i].a
[6],s[i].a[7],
s[i].b[0],s[i].b[0],s[i].b[1],s[i].b
[2],s[i].b[3],s[i].b[4],s[i].b[5],s[i].dy,s[i].ty,s[i].sum);
}
fclose(fp);
void main()
{
stu s[cnt];
int i;
s=(stu *) malloc (cnt*sizeof(stu));
readdat();
writedat();
for(i=0;i<cnt;i++)
printf("输出学号为%ld的总绩点: %f",s
[i].numble,countstu(&s[i],8,6));
printf("按总成绩高低依次输出学生的信息:\n");
sortsum(&s,cnt,8,6);
printf("输出平均分:\n");
avestu(&s,cnt);
printf("按智育成绩高低输出:\n");
stuzy(&s,cnt);
printf("按德育成绩高低输出:\n");
study(&s,cnt);
printf("按体育成绩高低输出:\n");
stuty(&s,cnt);
printf("查询李同学的信息:\n");
checkstu(&s,cnt,"李同学");
}
