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Top K Frequent Words

Explore how to use trie data structures to identify the top k frequent words from a list, sorted by frequency and lexicographical order. This lesson helps develop skills for efficient string handling and frequency sorting, important for coding interviews involving string patterns.

Statement

Given a list of strings words and an integer k, return the k most frequently occurring strings.

Note: The result should be sorted in descending order based on frequency. If multiple words have the same frequency, they should be sorted in lexicographical order.

Constraints:

  • 11 \leq ...