C读txt到二维数组

#include<stdio.h>
#include<stdlib.h>


#define maxn 200
void main()
{
  FILE *fp;
  int s[maxn][maxn];
  int i,j;
  if((fp=fopen("d:\temp\test.txt","r"))==NULL)
  {  
  printf(" can't open");
  exit(0);
  }


  
  for(i=0;i<maxn;i++)
  {
  for(j=0;j<maxn;j++)
  {
  fscanf(fp,"%d",&s[i][j]);
  }
  }
    
}