#include <math.h>
#include <conio.h>
#include <stdlib.h>
#include <graphics.h>
void main() {
int    Driver;             /* The Graphics device driver           */
int    Mode;               /* The Graphics mode value              */
int i,ee,x,y,c;
struct viewporttype vp;

  Driver = DETECT;                 /* Request auto-detection       */
  initgraph( &Driver, &Mode, "" );

  for (i=0; i<32767; i++) {
    x=random(640);   y=random(480);   c=random(16);
    putpixel(x,y,c);
  }
  getche();
  closegraph();     /* Return the system to text mode       */
}