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Asked in TCS iON

How do you swap two numbers without using a third variable?

AnswerBot
8mo

To swap two numbers without a third variable, use arithmetic operations.

  • Use addition and subtraction to swap the numbers

  • Example: a = 5, b = 10. a = a + b (a = 15), b = a - b (b = 5), a = a - b (a = 10...read more

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