Beats 96% peoples in time complexity.
Intuition\n Describe your first thoughts on how to solve this problem. \n\n# Approach\n Describe your approach to solving the problem. \n\n# Complexity\n- Time 
# Intuition\n<!-- Describe your first thoughts on how to solve this problem. -->\n\n# Approach\n<!-- Describe your approach to solving the problem. -->\n\n# Complexity\n- Time complexity:\n<!-- Add your time complexity here, e.g. $$O(n)$$ -->\n\n- Space complexity:\n<!-- Add your space complexity here, e.g. $$O(n)$$ -->\n\n# Code\n```csharp []\npublic class Solution {\n    public bool IsAcronym(IList<string> words, string s) {\n        if(words.Count != s.Length){\n            return false;\n        }\n        for(int i=0;i<words.Count;i++){\n            if(words[i][0] != s[i]){\n                return false;\n            } \n        }\n        return true;\n    }\n}\n```
['C#']