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c ÎÊÌâ - C/C++ / CÓïÑÔ

#include <graphics.h> /*°üº¬Í¼Ðο⺯ÊýµÄÍ·Îļþ*/
#include <math.h>
#define pi 4.1415926
main(argc,argv)
int argc;char *argv[]; /* ¶¨Òå´ø²ÎÊýµÄm a i n ( ) */
{
int x,y,r1,rs,color;
double a;
int gdriver=DETECT,gmode;
initgraph(&gdriver,&gmode,"..\\bgi ");/* Æô¶¯Í¼Ðι¤×÷·½Ê½*/
r1 = atoi(argv[1]); /*¼ÆËã»ù´¡Ô²°ë¾¶*/
rs = atoi(argv[2]); /*¼ÆËãͬÐÄÔ²°ë¾¶*/
color = atoi(argv[3]); /*±³¾°É«*/
cleardevice(); /*Çå³ýͼÐÎÆÁÄ»*/
setbkcolor(color); /*ÉèÖñ³¾°É«*/
setcolor(4); /*ÉèÖÃͼÐÎÏÔʾÑÕÉ«*/
for(a=0; a<=2*pi;a+=pi/18) /*»æÖÆÍ¬ÐÄÔ²*/
{
x = r1*cos(a)+320;
y = r1*sin(a)+240;
circle(x,y,rs); /*ÒÔÔ²ÐÄ×ø±êΪx¡¢y£¬°ë¾¶Îªr s»­Ô²*/
}
getch(); /*µÈ´ý°´¼ü¼ÌÐø*/
closegraph(); /*¹Ø±ÕͼÐι¤×÷·½Ê½*/[size=16px][/size]
}
ɶÎÊÌ⣿

#define pi 4.1415926

main(argc,argv)
int argc;char *argv[]; /* ¶¨Òå´ø²ÎÊýµÄm a i n ( ) */
{
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#define pi 3.1415926
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