#include<stdio.h> #include<conio.h> #include<graphics.h> #include<dos.h> void main() { int gdriver = DETECT,gmode; 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(); }