Available question text
Count the number of substrings of a given lowercase string that include each vowel (a, e, i, o, u) at least once and contain exactly k consonants. With string length up to 2·10^5, the core challenge is to efficiently enumerate substrings while maintaining vowel coverage and an exact consonant count.
Related questions
Continue with questions that share topics or the same question type.
Sources · 1 reference
These records explain where the question appears. A company tag or candidate report does not guarantee a future interview question.
Hello Interview · 1 record
No company association
Leetcode 3306. Count of Substrings Containing Every Vowel and K Consonants II
Reported date not specified · 0 source reports
Source snapshot: Nov 12, 2026
View source