Minimize the Maximum Difference of Pairs

The Number of Weak Characters in the Game

Apply Operations to Maximize Score

Final Prices With a Special Discount in a Shop

Construct Binary Search Tree BST from Preorder Traversal

Maximum Binary Tree

Find Building Where Alice and Bob Can Meet

Shortest Subarray to be Removed to Make Array Sorted Problem

String Compression 3 Problem

Separate Black and White Balls Problem

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