#include "rotate.h"
#include <vector>
#include<bits/stdc++.h>
using namespace std;
#define fi first
#define se second
#define pb push_back
#define ll long long
#define ld long double
const int N=50000;
vector<array<int,2>>a;
int n;
vector<int>v;
ll Calc(){
ll res=0;
for(int i=0;i<n;i++){
for(int j=i+1;j<n;j++){
res+=min(abs(v[i]-v[j]),N-abs(v[i]-v[j]));
}
}
return res;
}
void energy(int n1, std::vector<int> v1){
v=v1;n=n1;
/*for(int i=0;i<n;i++) a.pb({v[i],i});
sort(a.begin(),a.end());
for(int i=0;i<n;i++){
if(i<=(n-1)/2){
rotate({a[i][1]},a[0][0]-a[i][0]);
}
else{
rotate({a[i][1]},a[0][0]-a[i][0]+N);
}
}*/
ll res=Calc();
for(int i=0;i<n;i++){
while(1){
v[i]=(v[i]+1)%N;
ll x=Calc();
if(x<=res){
v[i]=(v[i]-1+N)%N;
break;
}
res=x;
rotate({i},1);
}
}
}
