func_code_string: #include <bits/stdc++.h>   using namespace std;   struct trip {     int a, b, c;   };   const int MAXINT = 100;   int n, temp;   vector<int> pos, neg;   bool zeros = false;   int main() {     cin >> n;     for (int i = 0; i < n; i++) {       cin >> temp;       if (temp > 0)         pos.push_back(temp);       else if (temp < 0)         neg.push_back(temp);       else         zeros = true;     }     if (!pos.size() && !neg.size()) cout << 0 << endl;     if (pos.size() == 0 && neg.size() == 1) {       if (zeros)         cout << 0 << endl;       else         cout << neg[0] << endl;     }     for (int e : pos) cout << e <<    ;     if (neg.size() % 2 == 0)       for (int e : neg) cout << e <<    ;     else {       sort(neg.begin(), neg.end());       int N = neg.size();       for (int i = 0; i < N - 1; i++) cout << neg[i] <<    ;     }     return 0;   }   