Rainbow

Animated Rainbow:

Hey friend here is one of the easiest code for an animated rainbow:

Code:

#include<iostream.h>

#include<stdio.h>

#include<conio.h>

#include<graphics.h>

#include<dos.h>

void main()

{

int gd = DETECT,gm;

int x,y,i;

initgraph(&gd,&gm,"C:\\Turboc3\\BGI");

x=getmaxx()/2;

y=getmaxy()/2;

for(i=30;i<200;i++)

{

delay(100);

setcolor(i/10);

arc(x,y,0,180,i-10);

}

getch();

}

Output: