#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;
}