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Which sorting algorithm is not in-place?

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Question: Which sorting algorithm is not in-place?

Options:

  1. Quick Sort
  2. Merge Sort
  3. Heap Sort
  4. Insertion Sort

Correct Answer: Merge Sort

Solution:

Merge Sort is not an in-place sorting algorithm as it requires additional space for merging.

Which sorting algorithm is not in-place?

Practice Questions

Q1
Which sorting algorithm is not in-place?
  1. Quick Sort
  2. Merge Sort
  3. Heap Sort
  4. Insertion Sort

Questions & Step-by-Step Solutions

Which sorting algorithm is not in-place?
  • Step 1: Understand what 'in-place' means. An in-place sorting algorithm sorts the data without needing extra space for another array.
  • Step 2: Learn about Merge Sort. Merge Sort is a sorting algorithm that divides the array into smaller parts, sorts them, and then merges them back together.
  • Step 3: Identify the space requirement of Merge Sort. When merging the sorted parts, Merge Sort needs extra space to hold the merged data.
  • Step 4: Conclude that since Merge Sort requires additional space for merging, it is not an in-place sorting algorithm.
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