gistfile1.cpp

vector<string> anagrams(vector<string> &strs) 
    {
        int strs_size = strs.size();
        vector<string> result;
        map<string, vector<string> > m;
        
        for (int i = 0; i < strs_size; i++)
        {
            string temp = strs[i];
            
            sort(temp.begin(), temp.end());
            m[temp].push_back(strs[i]);
        }
        
        for (auto it = m.begin(); it != m.end(); it++)
        {
            vector<string> words = it->second;
            int count_words = words.size();
            
            for (int j = 0; j < count_words; j++)
                result.push_back(words[j]);
        }
        
        return result;
    }