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[NEW] - Quicksort python #89

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[NEW] - Quicksort python #89

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23 changes: 23 additions & 0 deletions python/quickSort.py
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Original file line number Diff line number Diff line change
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# Quicksort
# Best case: O(n)
# Average case: O(n log n)
# Worst case: O(n^2)

def quick_sort(arr):
if len(arr) <= 1:
return arr
else:
piv = arr.pop()
less_arr = []
greater_arr = []

for element in arr:
if element < piv:
less_arr.append(element)
else:
greater_arr.append(element)

return quick_sort(less_arr) + [piv] + quick_sort(greater_arr)

# Example
print(quick_sort([3,5,6,63,2,4,6765,423,234,2334,3,3,2,1,5,6,8,9,423,6]))