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Update binary_search.py #129

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Update binary_search.py #129

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Update binary_search.py 
Reduced redundancy in code by updating the middle element at the beginning of the loop
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@SOUMEE2000
SOUMEE2000 authored Feb 27, 2021
commit cd54e55f09ad58281660a5d2cdfb035d5e5ec71c
12 changes: 5 additions & 7 deletions algorithms/sorting/binary_search.py
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Original file line number Diff line number Diff line change
Expand Up @@ -25,10 +25,11 @@ def binary_search(value, list_to_search):
search_value = -1
max_index = len(list_to_search) - 1
min_index = 0
middle_index = int(math.floor( (max_index + min_index) / 2))
current_element = list_to_search[middle_index]


while max_index >= min_index:

middle_index = int(math.floor( (min_index + max_index) / 2))
current_element = list_to_search[middle_index]

if current_element == value:
return current_element
Expand All @@ -38,10 +39,7 @@ def binary_search(value, list_to_search):

elif value < current_element:
max_index = middle_index - 1

middle_index = int(math.floor( (min_index + max_index) / 2))
current_element = list_to_search[middle_index]


return search_value


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