Simple Yet Efficient Way to Swap 2 Variables

leothenerd 5:53 pm on November 20, 2009 | Answers: 1    
Tags: simple (14), xor swap

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• leothenerd 5:53 pm on November 20, 2009
  

  here is the pseudo-code

  
  void swapAB(var a, var b)
  {
     a XOR b;
     b XOR a;
     a XOR b;
  }