[求助]请解释一下下面的代码好吗?谢谢
#include <graphics.h>#include <conio.h>
void main()
{
int driver=DETECT,mode=0;
int i,start,end;
initgraph(&driver,&mode,"");
start=0;
end=20;
for(i=0;i<18;i++)
{
setfillstyle(SOLID_FILL,i);
pieslice(300,200,start,end,100);
start+=20;
end+=20;
}
getch();
restorecrtmode();
}
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