#include #define rep(i,a,b) for(int i=a;i=b;i--) #define fore(i,a) for(auto &i:a) #define all(x) (x).begin(),(x).end() //#pragma GCC optimize ("-O3") using namespace std; void _main(); int main() { cin.tie(0); ios::sync_with_stdio(false); _main(); } typedef long long ll; const int inf = INT_MAX / 2; const ll infl = 1LL << 60; templatebool chmax(T& a, const T& b) { if (a < b) { a = b; return 1; } return 0; } templatebool chmin(T& a, const T& b) { if (b < a) { a = b; return 1; } return 0; } //--------------------------------------------------------------------------------------------------- template struct BIT { BIT() {} // [L, R) int NV;vector bit; BIT(int n){ init(n); } void init(int n) { NV = 1; while (NV < n)NV *= 2; bit.resize(NV); clear(); } V operator[](int e) { V s = 0; e++; while (e) s += bit[e - 1], e -= e&-e; return s; } void add(int e, V v) { e++; while (e <= NV) bit[e - 1] += v, e += e&-e; } int lower_bound(V val) { V tv = 0; int i, ent = 0; for (i = NV - 1; i >= 0; i--) if(tv+bit[ent+(1< bit(101010); ll dp[101010]; //--------------------------------------------------------------------------------------------------- void _main() { cin >> N; rep(i, 0, N) cin >> Y[i]; sort(Y, Y + N); rep(i, 0, N) bit.add(i, Y[i]); rep(i, 0, N + 1) dp[i] = infl; dp[0] = 0; rep(i, 0, N) { rep(j, i + 2, N + 1) { if (5 < j - i) break; int L, R, C; ll cs = 0; L = i, R = j; C = (L + R) / 2; cs += 1LL * (C - L) * Y[C] - bit.get(L, C); cs += bit.get(C, R) - 1LL * (R - C) * Y[C]; chmin(dp[j], dp[i] + cs); } } cout << dp[N] << endl; } /* Noelちゃんと星々3 [yukicoder No.838] */