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Solution: Sort an Array

Explore how to implement heap sort to sort an integer array in ascending order efficiently. Understand building and maintaining a max heap, perform sorting in-place with minimal extra space, and analyze the time and space complexity of this approach.

Statement

Given an integer array, nums, sort it in ascending order and return the sorted array.

You must implement the sorting algorithm yourself; do not use any built-in sorting functions. The solution must run in O(nlogn)O(n \log n) time and use the minimum possible extra space.

Constraints:

  • 11 \leq nums.length ...