Q. Which is the worst method of choosing a pivot element?

  • (A) first element as pivot
  • (B) last element as pivot
  • (C) median-of-three partitioning
  • (D) random element as pivot
💬 Discuss
✅ Correct Answer: (A) first element as pivot
Explanation: choosing the first element as pivot is the worst method because if the input is pre-sorted or in reverse order, then the pivot provides a poor partition.

Published by Mr. Dubey ⭐ 109.86K Points at 16-Sep-2023 03:43 pm in Design and Analysis of Algorithms

Explanation by: Mr. Dubey
choosing the first element as pivot is the worst method because if the input is pre-sorted or in reverse order, then the pivot provides a poor partition.

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