func_code_string: #include <bits/stdc++.h>   using namespace std;   const long long maxn = 5e5 + 10;   long long N, arr[maxn], use[maxn];   signed main() {     ios::sync_with_stdio(false);     cin.tie(0);     cin >> N;     for (register long long i = 1; i <= N; ++i) {       cin >> arr[i];     }     sort(arr + 1, arr + 1 + N);     long long pos = N / 2, l = pos + 1, r = N, ans = N;     while (pos >= 1) {       if (l <= r && arr[pos] * 2 <= arr[r]) {         --ans, --r;       }       pos--;     }     cout << ans << endl;     return 0;   }   