func_code_string: #include <bits/stdc++.h>   using namespace std;   const int inf = 1999999999;   const double pi = acos(-1.0);   const double eps = 1e-9;   char gc() {     char c;     while (isspace(c = getchar()))       ;     return c;   }   int gs(char* s) {     if (!fgets(s, 9999999, stdin)) return -1;     int l = strlen(s);     while (l && isspace(s[l - 1])) s[--l] = 0;     return l;   }   int main() {     ios::sync_with_stdio(false);     cout << fixed << setprecision(15);     int n;     cin >> n;     vector<int> v;     for (int i = 0, _i = (n); i < (_i); i++) {       int t;       cin >> t;       v.push_back(t);     }     sort((v).begin(), (v).end());     v.erase(unique((v).begin(), (v).end()), v.end());     for (int i = 0, _i = (((int)(v).size()) - 1); i < (_i); i++) {       if (v[i] * 2 > v[i + 1]) {         cout <<  YES ;         return 0;       }     }     cout <<  NO ;     return 0;   }   