Given a string s and an integer k, return the maximum number of vowel letters in any substring of s with length k. Vowel letters in English are 'a', 'e', 'i', 'o', and 'u'.

"description": "Given a column of strings consisting of words and spaces, return the length of the last word in the string. A word is a maximal substring consisting ...

Abstract: Existing time series variable-length motif mining algorithms based on suffix arrays suffer from long running times and are prone to premature termination of matching due to variations in ...

Abstract: This paper characterizes the fundamental limits on overflow probability for variable-length codes with codeword cost using the smooth Rényi entropy approach. For general sources, we ...