#include<stdio.h>#include<stdlib.h>#define maxn 200void 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]); } }  }