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Merged
merged 3 commits into from
Oct 30, 2019
Merged

Update quick_select.py #1523

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06bf0a5
Update quick_select.py
percy07 Oct 30, 2019
f8f78cb
Add typehints
cclauss Oct 30, 2019
ed33736
Don't pre-allocate "smaller" and "larger"
cclauss Oct 30, 2019
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10 changes: 10 additions & 0 deletions searches/quick_select.py
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Original file line number Diff line number Diff line change
Expand Up @@ -26,6 +26,16 @@ def _partition(data, pivot):


def quickSelect(list, k):
"""
>>> quickSelect([2,4,5,7,899,54,32], 5)
54
>>> quickSelect([2,4,5,7,899,54,32], 1)
4
>>> quickSelect([5,4,3,2], 2)
4
>>> quickSelect([3,5,7,10,2,12],3)
7
"""
# k = len(list) // 2 when trying to find the median (index that value would be when list is sorted)

# invalid input
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