# [3227\. Vowels Game in a String](https://leetcode.com/problems/vowels-game-in-a-string/) :::spoiler Solution ```cpp= class Solution { public: bool doesAliceWin(string s) { for (int i = 0; i < s.size(); ++i) { if (s[i] == 'a' || s[i] == 'e' || s[i] == 'i' || s[i] == 'o' || s[i] == 'u') return true; } return false; } }; ``` - T: $O(n)$ - S: $O(1)$ :::