#Data Structures

Explain the limitations surrounding token usage in NLP models, particularly in the context of your generative AI system.

Devise an efficient method to identify the customer who placed the highest number of KFC orders over the last three months. Discuss which data structures would best support this query.

Given an unsorted integer array, find the first missing positive integer. Describe your approach to solving this problem efficiently.

Explain how to convert a sorted linked list into a height-balanced binary search tree (BST). Discuss your approach and the time complexity involved.

Tackle a dynamic programming problem that requires optimal solutions.