Medal

/*
    Task    : _example
    Author  : Phumipat C. [MAGCARI]
    Language: C++
    Created : 18 January 2023 [21:26]
*/
#include<bits/stdc++.h>
using namespace std;
int a[500010],b[500010];
int main(){
    int n;
    scanf("%d",&n);
    for(int i=1;i<=n;i++)
        scanf("%d",&a[i]);
    for(int i=1;i<=n;i++)
        scanf("%d",&b[i]);
    sort(a+1,a+n+1);
    sort(b+1,b+n+1,greater<int >());
    for(int i=1;i<=n;i++)
        a[i]+=b[i];
    sort(a+1,a+n+1);
    printf("%d\n",a[n]-a[1]);
    return 0;
}