iframe-proxy | Sunbelt Computer Software

39 lines (32 loc) · 751 Bytes

"""

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)

>>> add(13, 5)

>>> 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) = }")

Sunbelt Computer Software