GOOGLE - SORT CHARACTERS BY FREQUENCY (LeetCode)

Sort Characters By Frequency is one of Google's most commonly asked interview questions according to LeetCode! Give me 5 minutes and you'll thank me if you see this in your interview! Sort Characters By Frequency coding solution and explanation.

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This question is commonly asked by the following companies: Google, LinkedIn, Microsoft, Microsoft, Uber, & Bloomberg.

Link to problem: https://leetcode.com/problems/sort-characters-by-frequency/

Intuition behind solution: Populate a hash map counting the occurrence of each character. Populate a max heap by using all the keys inside the hash map. Populate a string builder by continuously removing elements from the max heap and repeating them however many times they appear in the hash map. Return the string builder as a string.

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Видео GOOGLE - SORT CHARACTERS BY FREQUENCY (LeetCode) канала Kevin Naughton Jr.