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3 cards from this section. Quick, good the night before a test.
What is the time complexity of the best case for Quicksort?
Think about how the pivot divides the array.
What is the purpose of partitioning in Quicksort?
What happens to elements relative to the chosen pivot?
What is the average case time complexity of Quicksort?
Think about the efficient partitioning.
True or False: Quicksort always uses the first element as the pivot.
What strategies exist for selecting pivots?
Given a set of random numbers, apply the Quicksort algorithm with detailed steps for choosing a pivot at each stage.
Keep track of how your pivot choice influences subsequent partitions.
Analyze the sorting time for a partially sorted array using Quicksort. What is the expected performance?
Consider how close to sorted the initial arrangement is.
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