#include <stdio.h>
#include <sys/timeb.h>
#include <time.h>

int pic[350][350];
char *thetime;

struct _timeb t1,t2;
long s,m;

#define WEIGHT 1

int k[3][3] =
{{ -1,  0,  1},
{  -2,  0,  2},
{  -1,  0,  1}};

void main(int argc, char **argv)
{ int i,j;
_ftime(&t1);
  for (i=0;i<348;i++)
	  for(j=0;j<348;j++)
	  { pic[i][j]= (k[0][0]*pic[i  ][j  ]+k[0][1]*pic[i][j+1]+k[0][2]*pic[i][j+2]
	              +k[1][0]*pic[i+1][j  ]+k[1][1]*pic[i+1][j+1]+k[1][2]*pic[i+1][j+2]
				  +k[2][0]*pic[i+2][j  ]+k[2][1]*pic[i+2][j+1]+k[2][2]*pic[i+2][j+2])/WEIGHT;
	  }
_ftime(&t2);
thetime=ctime(&(t1.time));
printf("Start: %.19s.%hu %s",thetime,t1.millitm,&thetime[20]);
thetime=ctime(&(t2.time));
printf("End  : %.19s.%hu %s",thetime,t2.millitm,&thetime[20]);
printf("Diff : %d ms\n",1000*(t2.time-t1.time)+(t2.millitm-t1.millitm));
}