Solution: Third Maximum Number
Explore how to determine the third distinct maximum number in an integer array efficiently. Learn to use a min heap and set to track unique top elements, handle duplicates, and return the correct maximum based on distinct counts. Understand the solution's linear time complexity and constant space usage.
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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:
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