#include #include #include #include #include #include #include using namespace std; int gcd(int a, int b) { int c = a % b; while (c != 0) { a = b; b = c; c = a % b; } return b; } struct UnionFind { vector par; // par[i]:iの親の番号 (例) par[3] = 2 : 3の親が2 UnionFind(int N) : par(N) { //最初は全てが根であるとして初期化 for (int i = 0; i < N; i++) par[i] = i; } int root(int x) { // データxが属する木の根を再帰で得る:root(x) = {xの木の根} if (par[x] == x) return x; return par[x] = root(par[x]); } void unite(int x, int y) { // xとyの木を併合 int rx = root(x); //xの根をrx int ry = root(y); //yの根をry if (rx == ry) return; //xとyの根が同じ(=同じ木にある)時はそのまま par[rx] = ry; //xとyの根が同じでない(=同じ木にない)時:xの根rxをyの根ryにつける } bool same(int x, int y) { // 2つのデータx, yが属する木が同じならtrueを返す int rx = root(x); int ry = root(y); return rx == ry; } }; typedef long long ll; ll M = 1000000007; vector fac(300001); //n!(mod M) vector ifac(300001); //k!^{M-2} (mod M) ll mpow(ll x, ll n) { ll ans = 1; while (n != 0) { if (n & 1) ans = ans * x % M; x = x * x % M; n = n >> 1; } return ans; } ll comb(ll a, ll b) { if (a == 0 && b == 0)return 1; if (a < b || a < 0)return 0; ll tmp = ifac[a - b] * ifac[b] % M; return tmp * fac[a] % M; } // mod. m での a の逆元 a^{-1} を計算する long long modinv(long long a) { long long b = M, u = 1, v = 0; while (b) { long long t = a / b; a -= t * b; swap(a, b); u -= t * v; swap(u, v); } u %= M; if (u < 0) u += M; return u; } vector> mul(vector> a,vector> b,int n){ int i,j,k,t; vector> c(n); for (i = 0; i < n; i++) { for (j = 0; j < n; j++) { t = 0; for (k = 0; k < n; k++) t = (t + a[i][k]*b[k][j] % M)%M; c[i].push_back(t); } } return c; } int main() { ll n, i, y[111111], c, sum[111111], cul1, cul2, ans = 1e+15; cin >> n; for (i = 1; i <= n; i++) cin >> y[i]; sort(y + 1, y + n + 1); sum[0] = 0; for (i = 1; i <= n; i++) sum[i] = sum[i - 1] + y[i]; for (i = 1; i < n; i++) { if (i % 2 == 1) { c = y[i / 2 + 1]; cul1 = c + sum[i] - sum[i / 2 + 1] * 2; } else cul1 = sum[i] - sum[i / 2] * 2; if ((n - i) % 2 == 1) { c = y[(n + i+1) / 2]; cul2 = c + sum[n] - sum[(n + i+1) / 2] * 2 + sum[i]; } else cul2 = sum[n] - sum[(n + i) / 2] * 2 + sum[i]; ans = min(ans, cul1 + cul2); } if (y[1] == y[n]) ans = 1; cout << ans << endl; }