Quick Sort Algorithm Explained!

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Quick Sort
  1. Greg Hogg
  2. Machine Learning
  3. Data Science
  4. Python
  5. Deep Learning
  6. ML
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Комментарии
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Master Data Structures & Algorithms For FREE at AlgoMap.io!

GregHogg
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Me before this video: "I wanna learn how to code"

Me after this video: "nevermind"

YVRDru
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You should mention the worst case also which is n^2

jeysan.v
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I guess the implementation in the end has complexity 2nlogn, because instead of creating left and right arrays separately, it could have just been a single for loop with one if-else inside

DMH_Minecraft
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If you actually combine the lists, then it becomes merge sort with a pivot. Be careful about implementing this. The sorting should be fone in-place.

spacey
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@GregHogg can you make reels on top 150 leetcode interview questions? Also can you also add similar problems with problem solving techniques!
I know it’s a lot to cover but if you could fit that in reels which is really helpful

bhagyashreearakeri
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I don't think we should we separate arrays for this.

simpletechnologyhelp
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hahaha merge sort with pivot?
the thing with quick sort is you never make copies or other new array, space complexity should be O(1) and you just swap out the elements in the array itself.

CodeErrorOfficial
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It would be great if you could paste the source code as part of the comment section, Thanks!

siddhantkumar
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Where's the code for quick sort?😅

tigerrbharat
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QuickSort is cool and all, but I just use the good 'ol "set the value of the element to the index of the element" technique and it gives me a sorted int[] in O(N).

I call it GenieSort as your wish for a sorted array has now technically been fulfilled.

LoveOlsson