int _tmain(int argc, _TCHAR* argv[])
{ int x;
double y;
for(y=1;y>=0;y-=0.1)
{for(x=0;x<=(int)(PI*5);x++)
{if(x==(int)(asin(y)*10))
cout<<'*';
else
cout<<' ';
}
for(;x<=PI*10;x++)
{if(x==(int)(PI*10)-(int)(asin(y)*10))
cout<<'*';
else
cout<<' ';
}
cout<<'\n';
}
for(;y>=-1;y-=0.1)
{for(x=0;x<=3*PI/2*10;x++)
{if(x==(int)(3*PI/2*10)-((int)(asin(y)*10)+(int)(2*PI*10)-(int)(3*PI/2*10)))
cout<<'*';
else
cout<<' ';
}
for(;x<=2*PI*10;x++)
{if(x==(int)(asin(y)*10)+(int)(2*PI*10))
cout<<'*';
else
cout<<' ';
}
cout<<'\n';
}
return 0;
}