#include "rotate.h"
#include <bits/stdc++.h>
using namespace std;
#define pb push_back
using ll = long long;
using ld = long double;
using pr = pair<int, int>;
const int MOD = 1e9+7, MAXA = 1e6, MAX = 50000;
void energy(int n, vector<int> v){
vector<pr> a(n);
for (int i = 0; i < n; i++) a[i] = {v[i], i};
sort(a.begin(), a.end());
deque<pr> l, r;
int inde = 0;
while (inde < n && a[inde].first < 25000) l.push_back(a[inde++]);
while (inde < n) r.push_front(a[inde++]);
int cnt = 0;
for (int i = 0; i < n; i++) {
if (i % 2 == 1) {
cnt++;
int cur, ind;
if (l.size() > r.size()) {
cur = l.front().first;
ind = l.front().second;
l.pop_front();
}
else {
cur = r.front().first;
ind = r.front().second;
r.pop_front();
}
int diff = 50000 - cur;
rotate({ind}, diff);
}
else {
int cur, ind;
if (l.size() > r.size()) {
cur = l.back().first;
ind = l.back().second;
l.pop_back();
}
else {
cur = r.back().first;
ind = r.back().second;
r.pop_back();
}
int diff;
if (cur > 25000) diff = 75000 - cur;
else diff = 25000 - cur;
rotate({ind}, diff);
}
}
}
