Question

How to check if integer addition will overflow in Python

Answer 1

import sys

def adding_will_overflow(x: int, y: int) -> bool:
    return ((x > 0) and (y > sys.maxsize - x)) or ((x < 0) and (y < -sys.maxsize - 1 - x))


x, y = 39839299, 15472783642
print("true" if adding_will_overflow(x, y) else "false")

x, y = 1338839299, 1872783642
print("true" if adding_will_overflow(x, y) else "false")



'''
run:

Is palindrome: True
Is palindrome: False

'''

 

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