mirror of
https://github.com/TheAlgorithms/Python.git
synced 2024-12-01 00:41:09 +00:00
26 lines
534 B
Python
26 lines
534 B
Python
|
#Author : Junth Basnet
|
||
|
|
#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))
|
||
|
|
|