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Grokking the Coding Interview Patterns in C++

Find the Longest Substring Having Vowels in Even Counts

Explore how to identify the longest substring with vowels appearing in even counts by applying bitwise manipulation techniques. Learn to analyze problem constraints, understand vowel frequency tracking, and implement an efficient solution in C++.

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Statement

Given the string s, return the length of the longest substringA substring is a consecutive sequence of characters within a string. in which each vowel—a, e, i, o, and u—appears an even number of times.

Constraints:

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