// just subtask 2?
#include <bits/stdc++.h>
using namespace std;
 
typedef long long ll;
#define FOR(i,N) for(ll i = 0; i < N; i++)
#define all(x) (x).begin(), (x).end()
#define F first
#define S second
#include "rotate.h"
void energy(int n, vector<int> v){
    multimap<int,int> mp;
    FOR(i, n) mp.insert({v[i], i});
    ll at0 = 0, at90 = 0;
    for(auto [e, i]: mp) {
        if (at0 < n/2) {
            rotate({i}, 0-e);
            at0++;
        } else {
            rotate({i}, 25000-e);
            at90++;
        }
    }
}
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