#692
Top K Frequent Words
specialist · 710 · lc medium +30 · verified · 60% accepted · 8,010 likes · top 58%
Description
Given an array of strings words and an integer k, return the k words that appear most often. Sort results by frequency (descending), breaking ties alphabetically.
Example 1:
Input: words = ["i","love","leetcode","i","love","coding"], k = 2
Output: ["i","love"]
Explanation: "i" and "love" are the two most frequent words.
Note that "i" comes before "love" due to a lower alphabetical order.
Example 2:
Input: words = ["the","day","is","sunny","the","the","the","sunny","is","is"], k = 4
Output: ["the","is","sunny","day"]
Explanation: "the", "is", "sunny" and "day" are the four most frequent words, with the number of occurrence being 4, 3, 2 and 1 respectively.
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