binary search in python
def binary_search(group, suspect):
group.sort()
midpoint = len(group)//2
while(True):
if(group[midpoint] == suspect):
return midpoint
if(suspect > group[midpoint]):
group = group[midpoint]
if(suspect < group[midpoint]):
group = group[0: midpoint]
midpoint = (len(group)//2)binary search algorithm in python code
def binarySearchAppr (arr, start, end, x):
# check condition
if end >= start:
mid = start + (end- start)//2
# If element is present at the middle
if arr[mid] == x:
return mid
# If element is smaller than mid
elif arr[mid] > x:
return binarySearchAppr(arr, start, mid-1, x)
# Else the element greator than mid
else:
return binarySearchAppr(arr, mid+1, end, x)
else:
# Element is not found in the array
return -1
arr = sorted(['t','u','t','o','r','i','a','l'])
x ='r'
result = binarySearchAppr(arr, 0, len(arr)-1, x)
if result != -1:
print ("Element is present at index "+str(result))
else:
print ("Element is not present in array")Copyright © 2021 Codeinu
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