゜ヌトアルゎリズムIntermediate

クむック゜ヌト

ピボット芁玠を遞択し、小さい倀を巊偎、倧きい倀を右偎に配眮しお配列を分割する非垞に効率的な゜ヌトアルゎリズムです。平均O(n log n)で、実際に最も広く䜿甚されおいる゜ヌト方法です。ほずんどのプログラミング蚀語の組み蟌み゜ヌト関数の基盀ずなっおいたす。

#sorting#divide-and-conquer#in-place

Complexity Analysis

Time (Average)

O(n log n)

Expected case performance

Space

O(log n)

Memory requirements

Time (Best)

O(n log n)

Best case performance

Time (Worst)

O(n²)

Worst case performance

📚 CLRS Reference

Introduction to Algorithms•Chapter 7•Section 7.1

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500ms
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Quick Sort - Algorithm Vision | Algorithm Vision