func_code_string: #include <bits/stdc++.h>   #pragma warning(disable : 4996)   using namespace std;   int main() {     string s1, s2, s;     int n, m;     scanf( %d%d , &n, &m);     map<string, string> mp;     for (int i = 0; i < m; ++i) {       cin >> s1 >> s2;       if (s2.size() >= s1.size())         mp[s1] = s1;       else         mp[s1] = s2;     }     for (int i = 0; i < n; ++i) {       cin >> s;       cout << mp[s] <<    ;     }     return 0;   }   