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This video explains how to use the heap sort algorithm to sort an array of integers. The algorithm is demonstrated using an example array. The advantages and disadvantages of using the heap sort algorithm are also discussed.

**00:00:00**The lecture discusses two major operations for the heap - insertion and dilution. If an element is to be inserted into the heap, the first step is to create a hole in the next available location and check if the insertion does not violate the heap order property. If the insertion does not violate the heap order property, the element can be placed in the hole. If the insertion does violate the heap order property, the element is slid over to the hole and the process is repeated until the insertion does not violate the heap order property.**00:05:00**In this video, the instructor demonstrates how to create a heap with an element by inserting consecutive elements to the hip.**00:10:00**The video discusses how to sort an array using the heap sort algorithm. First, the array is created with a minimum heap, and then the minimum element is deleted from the heap. Next, a hole is created in the root of the heap, and the last element is placed in the appropriate location. Finally, the array is sorted using the heap sort algorithm.**00:15:00**In this video, the algorithm for sorting an array using a heap is demonstrated. The algorithm is faster than using an extra array, but has the disadvantage of needing more space.**00:20:00**This video explains how to sort an array of integers by maximum heat. The maximum heat is found at the root of the array, and the array is sorted accordingly.

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