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What is the result of performing a heap sort on an array?

Practice Questions

Q1
What is the result of performing a heap sort on an array?
  1. An unsorted array
  2. A partially sorted array
  3. A sorted array
  4. A reverse sorted array

Questions & Step-by-Step Solutions

What is the result of performing a heap sort on an array?
  • Step 1: Start with an unsorted array that you want to sort.
  • Step 2: Build a max-heap from the array. This means rearranging the elements so that the largest element is at the top.
  • Step 3: Swap the largest element (the root of the max-heap) with the last element of the array.
  • Step 4: Reduce the size of the heap by removing the last element (which is now in its correct position).
  • Step 5: Heapify the root of the heap to maintain the max-heap property.
  • Step 6: Repeat steps 3 to 5 until all elements are sorted.
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