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September Morn Update

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Ingy döt Net 2019-09-12 10:33:56 -07:00
parent 4e2d22a71d
commit aac6731f2c
6856 changed files with 141342 additions and 21127 deletions
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18
Task/Binary-search/Python/binary-search-3.py
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@ -1,8 +1,10 @@
index = bisect.bisect_left(list, item) # leftmost insertion point
index = bisect.bisect_right(list, item) # rightmost insertion point
index = bisect.bisect(list, item) # same as bisect_right
# same as above but actually insert the item into the list at the given place:
bisect.insort_left(list, item)
bisect.insort_right(list, item)
bisect.insort(list, item)
def binary_search(l, value, low = 0, high = -1):
if not l: return -1
if(high == -1): high = len(l)-1
if low >= high:
if l[low] == value: return low
else: return -1
mid = (low+high)//2
if l[mid] > value: return binary_search(l, value, low, mid-1)
elif l[mid] < value: return binary_search(l, value, mid+1, high)
else: return mid