Find Most Frequent Vowel and Consonant

Find the Most Common Response

Find Valid Pair of Adjacent Digits in String

Minimum Deletions for At Most K Distinct Characters

Minimum Operations to Make Character Frequencies Equal

Smallest Palindromic Rearrangement II

Transform Array by Parity

Longest Subsequence Repeated k Times

Minimum Deletions to Make String K-Special

Maximum Manhattan Distance After K Changes

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