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Grokking the Coding Interview Patterns in C#

Solution: Third Maximum Number

Explore how to identify the third distinct maximum number in an integer array by using a min heap and a set to track unique values. Understand the step-by-step approach to maintain the top three maximum elements and handle cases with fewer than three distinct numbers. Gain insight into the algorithm's time and space complexity for efficient coding interview solutions.

We'll cover the following...

Statement

Given an integer array nums, determine and return the third distinct maximum element in the array. If the array contains fewer than three distinct elements, return the maximum element instead.

Constraints:

  • 1<=1 <= nums.length <=103<= 10^3 ...