SAP Interview Question: How can you swap two variables without using a third temporal variable? | Glassdoor

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SAP Interview Question

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How can you swap two variables without using a third temporal variable?

Interview Answers

Anonymous

Aug 9, 2016

By adding and subtracting. (You have to figure out the math)

1

Anonymous

Feb 15, 2019

Suppose: a=5 b=4 a=a+b % 9 b=a-b % 5 a= a-b % 4

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