#include <bits/stdc++.h>

#define pii pair<int, int>

#define pb push_back
#define mp make_pair

#define f first
#define s second

using namespace std;

typedef long long ll;

const int MAXN = (int) 3e6 + 7;
const int INF = (int) 1e9 + 7;

int n;
int a[MAXN];

ll moves[MAXN];

int used[MAXN];
int timer;

int cnt[MAXN];
int mn[MAXN];

int main() {
  #ifdef LOCAL
  freopen("in", "r", stdin);
  #endif

  scanf("%d", &n);
  for (int i = 1; i <= n; i++) {
    ++timer;
    scanf("%d", &a[i]);
    vector<pii> all;
    for (int it = 0, x = a[i]; x > 0; it++, x >>= 1) {
      all.pb(mp(x, it));
      for (int it2 = it + 1, y = x * 2; y <= 300000; y <<= 1, it2++) {
        all.pb(mp(y, it2));
      }
    }
    timer++;
    for (auto it : all) mn[it.f] = INF;
    for (auto it : all) {
      mn[it.f] = min(mn[it.f], it.s);
    }
    for (auto it : all) {
      if (used[it.f] != timer)
        cnt[it.f]++,
        moves[it.f] += mn[it.f];
      used[it.f] = timer;
    }
  }
  ll ans = 1e11;
  for (int i = 1; i <= 300000; i++) {
    if (cnt[i] == n) {
      ans = min(ans, moves[i]);
    }
  }
  cout << ans;
  return 0;
}