#include <bits/stdc++.h>
#define x first
#define y second
#define ld long double
using namespace std;
ifstream f("rubarba.in");
ofstream g("rubarba.out");
int i,n;
ld x,y,s,c,mx,Mx,my,My,m,l=0,r=2*atan(1);
pair<int,int> v[100002];
ld e(ld u)
{
mx=my=1e9;
Mx=My=-1e9;
for(int i=1;i<=n;++i)
{
    s=sin(u),c=cos(u);
    x=v[i].x*c-v[i].y*s;
    y=v[i].x*s+v[i].y*c;
    mx=min(mx,x);
    Mx=max(Mx,x);
    my=min(my,y);
    My=max(My,y);
}
return (Mx-mx)*(My-my);
}

int main()
{
f>>n;
for(i=1;i<=n;++i)
    f>>v[i].x>>v[i].y;
for(i=1;r-l>1e-17;++i)
{
    m = (l+r)/2.0;
    if (e(m+1e-17)<e(m))
        l=m;
    else r=m;
}
g<<fixed<<setprecision(2)<<e(l);
return 0;
}