> #include<iostream>
> #include<algorithm>
> #include<cmath>
> using namespace std;
> 
> int main()
> {
>     int x[10000];
>     int y[10000];
>     
>     int n;
>     cin>>n;
>     
>     for(int i=0;i<n;i++)cin>>x[i]>>y[i];
>     sort(x,x+n);
>     sort(y,y+n);
>     
>     int p=n/2;
>     int yy=y[p];
>     int xx=x[p];
>     
>     long long sum=0;
>     
>     for(int i=0;i<n;i++)sum+=abs(yy-y[i]);
>     for(int i=0;i<n;i++)sum+=abs(xx-(p-i)-x[i]);
>     cout<<sum<<endl;
>     cin>>n;
> }