Sollicitatievraag bij Microchip Technology
swap a and b without using a third variable
Antwoord op sollicitatievraag
Anoniem
10 apr 2012
b = a + b a = b - a (now b's value is in a) b= b - a (b is left with a's value) example a = 6 b = 15 b= 6 + 15 = 21 a = 21 - 6 = 15(a's original value) b = 21- 15 = 6 (b's original value)
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