failed

#include "stdafx.h"
#include<stdlib.h>
#include<stdio.h>
#include <iostream>
#include <string.h>
using namespace std;

#define N 3

void fileread(char(*fnumber)[13],char(*fname)[13],int(*fscore)[4]) //读文件
{
 FILE* fp;
  fopen_s(&fp,"stuscore_in.txt","r");
 char t[5];
 if(fp==NULL)
 {
  printf("打开文件失败！！");
 }
 for(int i=0;i<N;i++)
 {
  fscanf(fp,"%s",fnumber[i]);
  fscanf(fp,"%s",fname[i]);
  for(int j=0;j<4;j++)
  {
   fscanf(fp,"%s",t);
   fscore[i][j]=atoi(t);
  }
 }
 fclose(fp);
}
void filewrite(char(*fnumber)[13],char(*fname)[13],int(*fscore)[4],double* average)  //写文件
{
 char tit[][10]={"学号","姓名","数学","物理","英语","计算机","平均"};
 FILE* fp;
  fopen_s(&fp,"stuscore_out.txt","w");
 if(fp==NULL)
 {
  printf("打开文件失败！！");
 }
 fprintf(fp,"\n%s\t%s\t%s\t%s\t%s\t%s\t%s\t",tit[0],tit[1],tit[2],tit[3],tit[4],tit[5],tit[6]);
 fprintf(fp,"\n__________________________________________\n");
 for(int i=0;i<N;i++)
 {
  fprintf(fp,"%12s\t",fnumber[i]);
  fprintf(fp,"%12s\t",fname[i]);
  for(int j=0;j<4;j++)
   fprintf(fp,"%d\t",fscore[i][j]);
  fprintf(fp,"%5.1f\t",average[i]);
  fprintf(fp,"\n");
 }
 for(int k=0;k<N;k++)
 {
  printf("\n%12s%12s%8d%8d%8d%8d%7.1f",fnumber[k],fname[k],fscore[k][0],fscore[k][1],fscore[k][2],fscore[k][3], average[k]);
  printf("\n");
  fclose(fp);
 }
}

void paverage(int(*fscore)[4],double*average) //计算平均成绩
{
 for(int i=0;i<N;i++)
 {
  average[i]=(fscore[i][0]+fscore[i][1]+fscore[i][2]+fscore[i][3])/4.0;
 }
}

int _tmain(int argc, _TCHAR* argv[])
{
 char number[N][13],name[N][13];
 int score[N][4];
 double average[N];
 fileread(number,name,score);
 paverage(score,average);
 filewrite(number,name,score,average);
 return 0;
}