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Cost Reduced Swap

, 9 Dec 2006
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Swapping in C++


void main() 
    int i=10,j=20; 

Here the two variables are swapped in a single statement . The cost is reduced than the known swapping methods.

  • Temporary variables are not used.
  • addition and subtraction only.
  • can be used for any data types and this is efficient than the normal methods.
  • time is saved.
  • space is saved.
  • complexity reduced.


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India India
i am an Computer Engineering student from india

Comments and Discussions

GeneralTradeoff between efficiency and maintainability PinmemberHarold Bamford12-Dec-06 8:46 
Questionwhat about asm ? Pinmemberbruno leclerc11-Dec-06 23:35 
Questionwhat about asm ? Pinmemberbruno leclerc11-Dec-06 23:33 
GeneralThe "classic" way PinmemberLuca Piccarreta11-Dec-06 4:49 
GeneralNot Guaranteed to Work Pinmemberricecake11-Dec-06 4:23 
Generalexpression is evaluated from left to right Pinmemberjeyakumarrr11-Dec-06 0:24 
Generalit will work in Turbo C& C++ compiler only Pinmemberjeyakumarrr11-Dec-06 0:23 
GeneralDoes not work! Pinmemberz33z10-Dec-06 7:29 
Generalit will work for all data types.. Pinmemberjeyakumarrr9-Dec-06 23:48 
Generalcheck it out in the system and say Pinmemberjeyakumarrr9-Dec-06 23:42 
QuestionUndefined behaviour? Pinmemberdavid_dawkins9-Dec-06 15:22 
GeneralIt doesn't work PinmemberVindicator6669-Dec-06 4:45 

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