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Swap Two Numbers without using Temp Variable [Tip/Trick]

17 Feb 2012 Updated: 17 Feb 2012 Rating: 5.00/5 Votes: 3 Popularity: 2.39

Licence: CPOL Views: 19,290 Bookmarked: 0 Downloaded: 0

That conclusion is definitely wrong. Your equation expanded equals: b = (a+b) - (a-b) = a+b - a + b = 2*bFor your example a=20, b=10b = (20+10) - (20-10) = (30) - (10) = 20b = 20 + 10 - 20 + 10 = 20A counter example to disprove this: a=75, b=88b = (75+88) - (75-88) =...

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josh.rendon

United States

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