Question
In which case is QuickSort’s performance worst?
Solution
QuickSort degrades to O(n²) when the pivot divides the array unevenly, such as in sorted or reverse-sorted arrays.
More Algorithms Questions
- Which algorithm finds the longest common subsequence (LCS) of two sequences?
- Which algorithm returns a minimum spanning tree (MST) and uses a priority queue to select the next edge connected to the growing tree?
- Which of the following sorting algorithms is considered stable (i.e., preserves the relative order of equal elements)?
- Which of the following is NOT a divide-and-conquer algorithm?
- The time complexity of computing the all-pairs shortest paths in a dense graph with V vertices using Floyd–Warshall is:
- Which of the following operations on a data structure refers to the removal of an element from the front of a queue?
- In virtualization, what is the primary role of a hypervisor?
- Which of the following sorting algorithms has a worst-case time complexity of O(N log N)?
- In which traversal strategy does the algorithm explore all the neighbor nodes at the present depth prior to moving on to nodes at the next depth level?  ...
- What is the primary purpose of virtualization in cloud computing?
