Python/maths/largest_of_very_large_numbers.py
Abhijeeth S 7b2c954169 LargestOfVeryLargeNumbers (#818)
* LargestOfVeryLargeNumbers

Finds the largest among two very large numbers of the form x^y. Numbers like 512^513 etc

* Rename LargestOfVeryLargeNumbers to LargestOfVeryLargeNumbers.py

* Input() statements have been indented.

input() statements are indented under if __name__ == "__main__":

* largest_of_very_large_numbers.py
2019-07-30 08:47:54 +02:00

36 lines
1.0 KiB
Python

# Author: Abhijeeth S
import math
def res(x, y):
if 0 not in (x, y):
# We use the relation x^y = y*log10(x), where 10 is the base.
return y * math.log10(x)
else:
if x == 0: # 0 raised to any number is 0
return 0
elif y == 0:
return 1 # any number raised to 0 is 1
if __name__ == "__main__": # Main function
# Read two numbers from input and typecast them to int using map function.
# Here x is the base and y is the power.
prompt = "Enter the base and the power separated by a comma: "
x1, y1 = map(int, input(prompt).split(","))
x2, y2 = map(int, input(prompt).split(","))
# We find the log of each number, using the function res(), which takes two
# arguments.
res1 = res(x1, y1)
res2 = res(x2, y2)
# We check for the largest number
if res1 > res2:
print("Largest number is", x1, "^", y1)
elif res2 > res1:
print("Largest number is", x2, "^", y2)
else:
print("Both are equal")