func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int n, m;     cin >> n >> m;     int i;     map<string, string> mp1to2;     map<string, string> mp2to1;     map<string, int> mp1p;     map<string, int> mp2p;     for (i = 1; i <= m; i++) {       string w1, w2;       cin >> w1 >> w2;       mp1to2[w1] = w2;       mp2to1[w2] = w1;       mp1p[w1]++;       mp2p[w2]++;     }     for (i = 1; i <= n; i++) {       string word;       cin >> word;       if (mp1p[word] > 0) {         int len1 = word.length();         int len2 = mp1to2[word].length();         if (len1 <= len2) {           printf( %s  , word.c_str());         } else {           printf( %s  , mp1to2[word].c_str());         }       } else {         int len1 = mp2to1[word].length();         int len2 = word.length();         if (len1 <= len2) {           printf( %s  , mp2to1[word].c_str());         } else {           printf( %s  , word.c_str());         }       }     }   }   