func_code_string: #include <bits/stdc++.h>   using namespace std;   string s;   int main() {     cin >> s;     long long int ans = 0;     vector<string> v;     string temp =   ;     for (int i = 0; i < s.size(); i++) {       if (s[i] ==  .  && v.size() != 0) {         for (int i = 0; i < v.size(); i++) {           if (temp == v[i]) ++ans;         }         if (temp ==   ) v.pop_back();         temp =   ;         continue;       }       if (s[i] ==  : ) {         for (int i = 0; i < v.size(); i++) {           if (temp == v[i]) ++ans;         }         v.push_back(temp);         temp =   ;         continue;       }       if (s[i] !=  , ) temp += s[i];     }     cout << ans << endl;   }   