func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int x, y, z = 0, k, t = 0, e, g;     vector<int> zero;     vector<int> po;     vector<int> ne;     cin >> x;     g = x;     while (x--) {       cin >> y;       if (y < 0) {         ne.push_back(y);         k *= y;       }       if (y > 0) {         po.push_back(y);       }       if (y == 0) {         zero.push_back(y);       }       if (y < 0 || y == 0) t++;     }     if (t == g) {       for (int i = 0; i < 2; i++) {         e = ne.back();         po.push_back(e);         ne.pop_back();       }     }     k = ne.size();     if (k % 2 == 0) {       e = ne.back();       zero.push_back(e);       ne.pop_back();     }     cout << ne.size() <<    ;     for (int i = 0; i < ne.size(); i++) cout << ne[i] <<    ;     cout << endl;     cout << po.size() <<    ;     for (int i = 0; i < po.size(); i++) cout << po[i] <<    ;     cout << endl;     cout << zero.size() <<    ;     for (int i = 0; i < zero.size(); i++) cout << zero[i] <<    ;     cout << endl;     return 0;   }   