int main()
{
while(scanf("%d",&hull.n)==1)
{
for(int i=0;i<hull.n;i++)
{
scanf("%lf%lf%lf",&hull.P[i].x,&hull.P[i].y,&hull.P[i].z);
}
hull.create();
printf("%d\n",hull.polygon());
}
return 0;
}
int main()
{
while(1)
{
scanf("%d",&hull.n);
if (hull.n == 0) break;
for(int i=0;i<hull.n;i++)
{
scanf("%lf%lf%lf",&hull.P[i].x,&hull.P[i].y,&hull.P[i].z);
}
hull.create();
printf("%.0f\n",hull.area());
}
return 0;
}
int main()
{
while(scanf("%d",&hull.n)==1)
{
for(int i=0;i<hull.n;i++)
{
scanf("%lf%lf%lf",&hull.P[i].x,&hull.P[i].y,&hull.P[i].z);
}
hull.create();
Point p=hull.barycenter();
double minn=1e20;
for(int i=0;i<hull.num;i++)
{
minn=min(minn,hull.ptoface(p,i));
}
printf("%.3lf\n",minn);
}
return 0;
}