add without carry
jon+usenet at unequivocal.co.uk
Fri Sep 15 13:47:55 CEST 2006
In article <450a7dec$0$14661$626a54ce at news.free.fr>, Bruno Desthuilliers wrote:
> Hugh wrote:
>> Sorry, here's an example...
>> added without carrying, 5+7=2
>> i.e the result is always less than 10
>> I've been thinking some more about this and my brain is starting to
>> work something out...
> No need to think too long to come up with the most possibly Q&D solution:
> res = int(str(5 + 7)[-1])
Am I missing something subtle in the question or is there some reason
that nobody has posted the correct solution:
(a + b) % 10
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