请帮看看这个出了什么问题

/*用结构体做成绩单*/

#include <stdio.h>
#include <math.h>  
#include <string.h>                                 
#define N 62                                       
#define M 4                                        
#define xuefen_score1 4                            
#define xuefen_score2 4                            
#define xuefen_score3 3                            
#define xuefen_score4 3.5                        
struct school_report_card1                 //定义要读取的文件数据的结构体
{
int num;                                     
float student_num;                            
char name[16];                              
float student_score1;                      
float student_score2;                   
float student_score3;                         
float student_score4;                     
                          
}stu[62];                               //读入的文件数据写入的结构体名字及长度
struct school_report_card2                         
{
int num;
float aver_stu;                                
float aver_cour;                               
float jiaquan_stu;                           
float jiaquan_cour;                          
}report[62];                                   

main()                                             
{
void aver_stu(void);                           
void aver_cour(void);                          
void jiaquan_stu(void);                       
void jiaquan_cour(void);                       
void sor();                                   
void search();                                
FILE *fp1;                       //是读取文件数据，并把读取的内容输出屏幕
int i,j;
if((fp1=fopen("成绩单1.txt","r"))==NULL)
    {
printf("Can not open the file.");
return(0);
}
printf("\n 序号   学号   姓名   结构力学   钢筋混泥土   土力学   建筑施工     \n");
for(i=0;fread(&stu[i],sizeof(struct school_report_card1),1,fp1)!=0;i++)
{ printf("\n%4s%16s%24c%10f%10%10f%10f%",stu[i].num,stu[i].student_num,stu[i].name,stu[i].student_score1,stu[i].student_score2,stu[i].student_score3,stu[i].student_score4);
}
printf("\n\n************************************************");
    aver_stu();                                     //调用计算学生平均分函数
aver_cour();                                    //调用计算科目平均分函数
jiaquan_stu();                                  //调用计算学生加权分函数
jiaquan_cour();                                 //调用计算班级加权分函数
printf("\n 序号   学号   姓名   课程平均分   课程加权分    \n");    
for(i=0,j=0;fread(&report[i],sizeof(struct school_report_card2),1,fp1)!=0,fread(&stu[i],sizeof(struct school_report_card1),1,fp1)!=0;i++,j++)
{
printf("\n%4s%16s%24c%10f%10%",stu[i].num,stu[i].student_num,stu[i].name,report[j].aver_stu,report[j].jiaquan_stu);
}
printf("\n 班平均分   班加权分   \n");
for(i=0;fread(&report[i],sizeof(struct school_report_card2),1,fp1)!=0;i++)
{
printf("\n%10f%10f",report[i].aver_cour,report[i].jiaquan_cour);
}
sor();                                         //调用排序函数