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Decode the Coding Interview in Elixir: Real-World Examples

DIY: Maximum Frequency Stack

Explore how to implement a custom frequency stack data structure in Elixir, supporting push and pop operations that always handle the most frequent elements first. Understand the logic behind handling ties by removing the most recent element among those with the highest frequency. Apply these concepts to improve your coding interview skills by solving real-world algorithm design problems.

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Problem statement

Design a stack-like data structure. We should be able to push elements to this data structure and pop elements with maximum frequency.

You have to implement the FreqStack module:

  • FreqStack struct declare a frequency stack
  • init()
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