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Project Euler Problems in Hackerrank solved! #852

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add-binary-exponentiation
junthbasnet May 7, 2019
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Project Euler (Hackerrank) - added
junthbasnet May 30, 2019
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Project Euler from Hackerrank - added
junthbasnet May 31, 2019
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Delete ProjectEuler1-Multiples-of-3-and-5.py
junthbasnet Jun 1, 2019
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Project Euler From Hackerrank - added
junthbasnet Jun 1, 2019
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junthbasnet Jun 1, 2019
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add-binary-exponentiation
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@junthbasnet
junthbasnet committed May 7, 2019
commit 03297c8ea1acfcb825a715e1a8cee1bcfbeb33d6
25 changes: 25 additions & 0 deletions maths/BinaryExponentiation.py
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#Author : Junth Basnet
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@poyea poyea Jun 5, 2019

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This file already exists in maths. Please delete this.

#Time Complexity : O(logn)

def binary_exponentiation(a, n):

if (n == 0):
return 1

elif (n % 2 == 1):
return binary_exponentiation(a, n - 1) * a

else:
b = binary_exponentiation(a, n / 2)
return b * b


try:
base = int(input('Enter Base : '))
power = int(input("Enter Power : "))
except ValueError:
print ("Invalid literal for integer")

result = binary_exponentiation(base, power)
print("{}^({}) : {}".format(base, power, result))