DSA Section簡単

Quick Sort

Detailed guide and Python implementation for the 'Quick Sort' problem.

問題提起

簡単

Write a function quick_sort(arr) that sorts a list of integers arr in ascending order using the Quick Sort algorithm and returns the sorted list.

制約
  • 0 <= len(arr) <= 10^4
  • -10^5 <= arr[i] <= 10^5

Example 1
Input
arr = [10, 7, 8, 9, 1, 5]
Output
[1, 5, 7, 8, 9, 10]
Explanation

A pivot is selected, the array is partitioned around the pivot, and sub-arrays are sorted recursively.

Need a Hint?
Consider using Sorting-specific data structures like sets or heaps.
Edge Cases to Watch
  • Empty input structures
  • Single element inputs
  • Large numerical bounds

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