Just for fun

O/P

// JUST FOR FUN

// SAVE PROGRAM WITH EXTENSION  .CPP  OR DECLARE ALL VARIABLES
//  AT THE BEGIN OF MAIN FUNCTION

#include<stdio.h>
#include<conio.h>
#include<graphics.h>
#include<DOS.h>

void main()
{
int gd = DETECT, gm;
initgraph(&gd, &gm, "c:\\turboc3\\bgi");

int x = getmaxx()/2;
int y = getmaxy()/2;
int angle = 0;
int rad = 5;

setcolor(RED);
setbkcolor(WHITE);

for(int i=1; i<=400; i++)
{
arc(x, y, angle, angle+i, rad);
angle++;
rad = rad + (i/rad);
delay(10);
}
closegraph();
}