Minimum Add to Make Parentheses Valid

Minimum String Length After Removing Substrings

Divide Players Into Teams of Equal Skill

Rank Transform of an Array

Check If Array Pairs Are Divisible by k

Uncommon Words from Two Sentences

Find the Longest Substring Containing Vowels in Even Counts

Longest Subarray With Maximum Bitwise AND

XOR Queries of a Subarray

Count the Number of Consistent Strings

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