Графика

setcolor(green);
line(50,50,50,500);
line(50,50,700,50);
line(700,50,700,500);
line(50,500,700,500);
for(i=1;i<=4;i++)
{
setcolor(white);
circle(100,125,5);
delay(1000);
 
setcolor(black);
circle(100,125,5);
delay(1000);
 
setcolor(white);
circle(100,250,5);
delay(1000);
 
setcolor(black);
circle(100,250,5);
delay(1000);
....

#include<graphics.h>
#include<conio.h>
#include<stdlib.h>
int random(int N){return rand() %N;}
 
main()
{ int x,y,R,G,B;
initwindow(500,500)
while(!kbhit()){
 x=random(400);
 y=random(300);
 R=random(256);
 G=random(256);
 B=random(256);
if (getpixel(x,y)!=0)
  putpixel(x,y,0);
else
 putpixel(x,y,COLOR(R,G,B));
}
getch();
closegraph();
}

#include<graphics.h>
#include<conio.h>
#include<stdlib.h>
int rnd(int N){return rand()%N;};
void main(){ 
  int x,y,R,G,B;
  initwindow(500,500);
  while(!kbhit()){
    x=rnd(400);y=rnd(300);
    R=rnd(256);G=rnd(256);B=rnd(256);
    putpixel(x,y,getpixel(x,y)?COLOR(R,G,B):0);
  }
  getch();
  closegraph();
  }
}