Count Non-Decreasing Subarrays After K Operations

Make Array Non-decreasing

Maximum and Minimum Sums of at Most Size K Subarrays

Minimum Operations to Convert All Elements to Zero

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

Beautiful Towers II

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