Rainbow Image in C

A simple program written by my friend and fellow software engineer Sir Ernel Fadriquilan. thank you very much Sir Ernel for sharing your code to us. This code will draw a rainbow image using C language and using Turbo C for DOS compiler.

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Program Listing

#include<stdio.h>

#include<conio.h>

#include<graphics.h>

#include<dos.h>

void main()

{

int gd=DETECT,gm;

        int x,y,i;

initgraph(&gdriver,&gmode,"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();

}