#include <bits/stdc++.h> using namespace std; const int N = 50000; void rotate(std::vector<int> t, int x); void energy(int n, std::vector<int> v) { vector<pair<int, int>> a; for (int i = 0; i < n; i++) { a.push_back({v[i], i}); } sort(a.begin(), a.end()); for (int i = n - 1; i >= 1; i--) { rotate({a[i].second}, N / 2 + a[0].first - a[i].first); } }