Solution: Top K Frequent Words
Explore an efficient solution to find the top k most frequent words from a list using a Trie data structure combined with bucket sort. Understand how to count word frequencies, organize them into buckets, and retrieve results sorted by frequency and lex order. This lesson helps you master string manipulation and sorting patterns essential for coding interviews.
We'll cover the following...
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:
words.lengthwords[i].lengthknumber of unique words in the list words[i]consists of lowercase English letters. ...