func_code_string: #include <bits/stdc++.h>   using namespace std;   set<string> st;   set<string>::iterator it;   vector<long long> v, vv;   int main() {     int n, a[100000], cnt = 0, cnt2 = 0, k;     cin >> n;     for (int i = 0; i < n; i++) {       cin >> a[i];       if (a[i] > 0)         cnt++;       else if (a[i] < 0)         cnt2++;     }     if (n % 2 == 0)       k = n / 2;     else       k = (n / 2) + 1;     if (cnt > cnt2) {       if (cnt >= k)         cout << 2 << endl;       else         cout << 0 << endl;     } else {       if (cnt2 >= k)         cout << -2 << endl;       else         cout << 0 << endl;     }     return 0;   }   