#include <bits/stdc++.h> using namespace std; #define ll long long #define ull unsigned long long #define matrix vector<vector<int>> #define fi first #define se second #define BIG __int128 #define wtf pair<int,int> #define db long double #define filename "input" const int N = 50000; //MAIN void rotate(std::vector<int> t, int x); void energy(int n, vector<int> v){ if (n == 2){ rotate({0}, 25000 - v[0] + v[1]); return ; } for (int i = 1; i < n; i++) rotate({i}, 25000 - v[i]); vector<int> a; for (int i = 1; i < n; i++) a.push_back(i); rotate(a, v[0]); }