Intel Corporation Interview Question
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Interview Question for Software Engineer at Intel Corporation:
Mar 22, 2011
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1 people found this helpful
How can you exchange the value of two variables without using a third variable?
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3 of 5 people found this helpful
May 9, 2011
x= x ^ y // get diff
y= x ^ y // y is now original x
x= x ^ y // x is now original y
// note ^ means 'xor'
y= x ^ y // y is now original x
x= x ^ y // x is now original y
// note ^ means 'xor'
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4 of 4 people found this helpful
by Interview Candidate:
y = x - y
x = x - y