def partition(low, high, arr):
index = low - 1
mid = arr[high]
for i in range(low, high + 1):
if arr[i] < mid:
index += 1
arr[i], arr[index] = arr[index], arr[i]
index += 1
arr[index], arr[high] = arr[high], arr[index]
return index
def quick_sort(low, high, arr):
if low < high:
p = partition(low, high, arr)
quick_sort(low, p - 1, arr)
quick_sort(p + 1, high, arr)
index = low - 1
mid = arr[high]
for i in range(low, high + 1):
if arr[i] < mid:
index += 1
arr[i], arr[index] = arr[index], arr[i]
index += 1
arr[index], arr[high] = arr[high], arr[index]
return index
def quick_sort(low, high, arr):
if low < high:
p = partition(low, high, arr)
quick_sort(low, p - 1, arr)
quick_sort(p + 1, high, arr)
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