2942. Find Words Containing Character ¶ Time: $O(\Sigma |\texttt{words[i]}|)$ Space: $O(n)$ C++ 1 2 3 4 5 6 7 8 9 10 11 12class Solution { public: vector<int> findWordsContaining(vector<string>& words, char x) { vector<int> ans; for (int i = 0; i < words.size(); ++i) if (words[i].find(x) != string::npos) ans.push_back(i); return ans; } };