"c++ swap function" Code Answer's

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swap in cpp

paramjeetdhiman on Sep 30, 2020

int a{}, b{}, temp{};
cin >> a >> b;

  //===================== METHOD-1
   temp = a;
   a = b;
   b = temp;

  //===================== METHOD-2 ( XOR ^ )
  // example: a^b =  5^7
   a = a ^ b;   // 5^7
   b = a ^ b;   // 5 ^ 7 ^ 7  //5 ( 7 & 7 dismissed)
   a = a ^ b;   // 5 ^ 7 ^ 5  //7 ( 5 & 5 dismissed)

  //===================== METHOD-3  ( swap() )
  swap(a, b);

  cout << "a " << a << endl;
  cout << "b " << b << endl;

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what did swap method return in c++

superstar on Dec 16, 2020

Return Value: The function does not return anything, it swaps the values of the two variables

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c++ swap function

moghaazi on May 08, 2021

int main()
{
	int a = 5;
	int b = 10;
  
	swap(a, b);
  
	cout << "a = " << a << endl;
	cout << "b = " << b << endl;
}

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"c++ swap function" Code Answer's

swap in cpp

what did swap method return in c++

c++ swap function

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