func_code_string: #include <bits/stdc++.h>   using namespace std;   using ll = long long;   using pi = pair<int, int>;   int main() {     ios_base::sync_with_stdio(false);     cin.tie(nullptr);     cout << setprecision(15) << fixed;     int n;     cin >> n;     vector<int> a(n);     for (int i = 0; i < n; i++) cin >> a[i];     sort(a.begin(), a.end());     int x = a[0];     for (int i = 1; i < n; i++) {       if (a[i] != x) {         if (a[i] < 30) {           ll y = (1ll << x) - 1;           if (y * y > (1ll << a[i]) - 1) {             cout <<  YES n ;             return 0;           }         } else if (2 * x > a[i]) {           cout <<  YES n ;           return 0;         }         x = a[i];       }     }     cout <<  NO n ;   }   