Longest Square Streak in an Array

Count Square Submatrices with All Ones

Kth Largest Sum in a Binary Tree

Separate Black and White Balls

Maximal Score After Applying K Operations

Divide Intervals Into Minimum Number of Groups

Divide Players Into Teams of Equal Skill

Find the Length of the Longest Common Prefix

Extra Characters in a String

Longest Subarray With Maximum Bitwise AND

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