#include <graphics.h>
#include <math.h>
#include <conio.h>
#define PI 3.1415926535
void initgr(void)
{int gd=DETECT,gm=0;
registerbgidriver(EGAVGA_driver);
initgraph(&gb,&gm,"");}
void int main(void)
{double a=0,b;
int x0=340,yo=240,radius=100,i,x,y;
initgr();
setcolor(2);
for(i=0;i<6,a+=60)
{b=a*PI/180;
x=x0+radius*cos(b);
y=y0+radius*sin(b);
arc(x,y,120-i*60,240-i*60,radius);
}
getch();
closegraph();
}
输出是个七叶花的图案!!!
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