C++ logic based 2 line solution
Logic based self explanatory code :\n\nclass Solution {\npublic:\n    int countVowelStrings(int n) {\n        \n        n += 4;\n        \n        int temp = n 
Logic based self explanatory code :\n```\nclass Solution {\npublic:\n    int countVowelStrings(int n) {\n        \n        n += 4;\n        \n        int temp = n * (n - 1) * (n - 2) * (n - 3);\n        \n        return temp / 24;\n    }\n};\n```\n\nOR\n\n```\nclass Solution {\npublic:\n    int countVowelStrings(int n) {\n        \n        int temp = (n + 1) * (n + 2) * (n + 3) * (n + 4);\n        \n        return temp / 24;\n    }\n};\n```
['C', 'C++']