Python/maths/addition_without_arithmetic.py
kumarsurajsk 2c65597093
addition_without_arithmetic ()
* Addition_without_arithmetic

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40 lines
751 B
Python

"""
Illustrate how to add the integer without arithmetic operation
Author: suraj Kumar
Time Complexity: 1
https://en.wikipedia.org/wiki/Bitwise_operation
"""
def add(first: int, second: int) -> int:
"""
Implementation of addition of integer
Examples:
>>> add(3, 5)
8
>>> add(13, 5)
18
>>> add(-7, 2)
-5
>>> add(0, -7)
-7
>>> add(-321, 0)
-321
"""
while second != 0:
c = first & second
first ^= second
second = c << 1
return first
if __name__ == "__main__":
import doctest
doctest.testmod()
first = int(input("Enter the first number: ").strip())
second = int(input("Enter the second number: ").strip())
print(f"{add(first, second) = }")