Maximum Number of Groups Entering a Competition

Kth Smallest Element in a Sorted Matrix

First Bad Version

H-Index 2

Minimum Interval to Include Each Query

Merge Triplets to Form Target Triplet

Eliminate Maximum Number of Monsters

Unique Length-3 Palindromic Subsequences

Frequency of the Most Frequent Element

Minimum Number of Swaps to Make the String Balanced Problem

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