#include
void main()
{
int a[2][2]={2,2,2,2};
int b[2][2];
FILE *file;
FILE *infile;
file=fopen("ok.txt","wb");
fwrite(a,sizeof(a),1,file);
infile=fopen("ok.txt","rb");
fread(b,sizeof(b),1,infile);
printf("%d",b[1][1]);
}