Editorial for Alternative Adder
Remember to use this editorial only when stuck, and not to copy-paste code from it. Please be respectful to the problem author and editorialist.
Submitting an official solution before solving the problem yourself is a bannable offence.
Submitting an official solution before solving the problem yourself is a bannable offence.
Author:
def adder(*args):
neg = False
ans = 0
for item in args:
if not neg:
ans += item
else:
ans -= item
neg = not neg
return ans
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