Match specific pattern

vector<string> findMatchedWords(vector<string> dict,string pattern)
{
       //Your code here
       unordered_map<char,int> m;
       vector<string> ans;
       int count = 1;
       string p = "";

       for(char c : pattern){
           if(m.find(c)==m.end()){
               m.insert({c,count});
               count++;
           }

           p += to_string(m.find(c)->second);
       }


       for(string d : dict){

           unordered_map<char,int> mp;

           count = 1;
           string t = "";

           for(char c : d){
               if(mp.find(c)==mp.end()){
                   mp.insert({c,count});
                   count++;
               }

               t += to_string(mp.find(c)->second);
           }

           if(t==p)ans.push_back(d);

       }

       return ans;
}