#include <bits/stdc++.h>
#define x first
#define y second
#define eps 0.00000000001//10^-10
using namespace std;
string z="rubarba.";
ifstream f(z+"in");
ofstream g(z+"out");

int i,n;
double x,y,s,c,mx,Mx,my,My,m,l=0,r=0.78539816339744830962 * 2;
pair<double,double> v[100002];

double e(double 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;i<=100;++i)
    {
        m = (l+r)/2.0;
        if (e(m+eps)<e(m))
            l=m;
        else r=m;
    }
    g<<fixed<<setprecision(2)<<e(l);
}