"); //-->
代码
#include <graphics.h>
#include<math.h>
#define PI 3.1415926
int main()
{
int x,y,x1,y1,x0=320,y0=50;
int i,j,n=5,r=20;
int gdriver, gmode=VGAHI;
gdriver = VGA;
initgraph(&gdriver, &gmode, "c://tc");
cleardevice();
setbkcolor(9);
y1=240-r;
for(i=0;i<=2*n;i++)
{
x1=x0-i*r;
y1=y0+i*r;
for(j=0;j<=n-1;j++)
{
x=x1+2*j*r;
y=y1+2*j*r;
arc(x,y,180,270,r);
arc(x,y+2*r,0,90,r);
}
}
x1=x0-2*r;
y1=y0;
for(i=0;i<=2*n;i++)
{
x1=x1+r;
y1=y1+r;
for(j=0;j<=n-1;j++)
{
x=x1-2*j*r;
y=y1+2*j*r;
arc(x,y,90,180,r);
arc(x-2*r,y,270,360,r);
}
}
getch();
closegraph();
return 0;
}运行

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