彩色扇形

#include <graphics.h>
void main()
{
    int gdriver, gmode;
    int i, start, end;          /*设置变量为基本整型*/
    gdriver = DETECT;
    initgraph(&gdriver, &gmode, "");       /*图形方式初始化*/
    start = 0;           /*start赋初值为0°*/
    end = 45;           /*end赋初值为45°*/
    for (i = 0; i < 8; i++)
    {
        setfillstyle(SOLID_FILL, i);       /*设置填充方式*/
        pieslice(getmaxx() / 2, getmaxy() / 2, start, end, 200);  /*画扇形*/
        start += 45;          /*起始角度数每次增加45°*/
        end += 45;          /*终止角度数每次增加45°*/
    }
    getch();
    closegraph();          /*退出图形状态*/
}