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In Quick Sort, what is the role of the pivot?

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Question: In Quick Sort, what is the role of the pivot?

Options:

  1. To divide the array
  2. To sort the array
  3. To merge the array
  4. To find the maximum element

Correct Answer: To divide the array

Solution: 

In Quick Sort, the pivot is used to divide the array into two parts: elements less than the pivot and elements greater than the pivot.

In Quick Sort, what is the role of the pivot?

Practice Questions

Q1
In Quick Sort, what is the role of the pivot?
  1. To divide the array
  2. To sort the array
  3. To merge the array
  4. To find the maximum element

Questions & Step-by-Step Solutions

In Quick Sort, what is the role of the pivot?
  • Step 1: Choose a pivot element from the array. This can be any element, but it's often the first, last, or middle element.
  • Step 2: Compare each element in the array to the pivot.
  • Step 3: Divide the array into two parts: one part with elements less than the pivot and another part with elements greater than the pivot.
  • Step 4: The pivot is now in its correct position, separating the two parts.
  • Pivot Role in Quick Sort – The pivot is a key element that helps partition the array into two sub-arrays, facilitating the sorting process.
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