func_code_string: #include <bits/stdc++.h>   using namespace std;   struct node {     int num;     string ss;   };   unordered_map<string, node> mm;   int main() {     ios::sync_with_stdio(false);     cin.tie(0);     int n;     while (cin >> n) {       mm.clear();       for (int i = 0; i < n; i++) {         string s;         cin >> s;         for (int j = 0; j < s.length(); j++) {           for (int k = 1; k <= (s.length() - j); k++) {             string sb = s.substr(j, k);             if (mm.find(sb) != mm.end() && mm[sb].ss != s) {               mm[sb].num++;               mm[sb].ss = s;             } else if (mm.find(sb) == mm.end()) {               node temp;               temp.num = 1;               temp.ss = s;               mm[sb] = temp;             }           }         }       }       int q;       cin >> q;       for (int i = 0; i < q; i++) {         string s;         cin >> s;         if (mm.find(s) != mm.end()) {           cout << mm[s].num <<     << mm[s].ss << endl;         } else {           cout << 0 <<   -  << endl;         }       }     }     return 0;   }   