func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     ios_base::sync_with_stdio(false);     cin.tie(NULL);     int n, m;     cin >> n >> m;     map<string, string> mp;     for (int i = 0; i < m; i++) {       string s1, s2;       cin >> s1 >> s2;       if (s2.size() < s1.size())         mp[s1] = s2;       else         mp[s1] = s1;     }     for (int i = 0; i < n; i++) {       string s;       cin >> s;       for (auto it = mp.begin(); it != mp.end(); it++) {         if (it->first == s) {           cout << it->second <<    ;           break;         }       }     }     cout <<   n ;     return 0;   }   