Very Easy Solution using Maps
\n# Code\ncpp []\nclass Solution {\npublic:\n    vector<string> uncommonFromSentences(string s1, string s2) {\n        string fin = s1 + " " + s2;\n        vect
\n# Code\n```cpp []\nclass Solution {\npublic:\n    vector<string> uncommonFromSentences(string s1, string s2) {\n        string fin = s1 + " " + s2;\n        vector<string> ans;\n        stringstream ss(fin);\n        string word;\n        unordered_map<string, int> mp;\n        while (ss >> word) {\n            mp[word]++;\n        }\n        for (auto it : mp) {\n            if (it.second == 1)\n                ans.push_back(it.first);\n        }\n        return ans;\n    }\n};\n```
['Hash Table', 'String', 'Counting', 'C++']