How can we swap values of two variables with out using a...

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Question by Praveen
Submitted on 12/5/2003
Related FAQ: LEARN C/C++ TODAY (A list of resources/tutorials)
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How can we swap values of two variables with out using a third variable

Answer by ram
Submitted on 12/12/2003
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#include<stdio.h> void main() { int a,b; a=5; b=6; /* now adding b to a we have /; a=b+a; b=a-b; / now here b will get value of a /; a=a-b /this will give a value of b */; }

Answer by Sinu Ommen
Submitted on 12/15/2003
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#include<stdio.h> void main() { int a,b; a=5; b=6; /* this one statement is enough */; a^=b^=a^=b; }

Answer by PANDU
Submitted on 7/9/2004
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a = a + b - (b = a)

Answer by samajhdaar
Submitted on 1/2/2006
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saale string value ko kaise swap karega..(Ghonchu)..padh saale iskey baarein mein

Answer by shank
Submitted on 6/5/2006
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#include<stdio.h> void main () { int a , b ; a=5; b=6; a=ab ; b=a/b ; /b get the value of a/ a=a/b ; /a get the previous value of b*/ }

Answer by Sufi
Submitted on 6/27/2006
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class Swap { public static void main(String args[]) { final int a=10; final int b=4; a=(ab)/a; b=(ab)/b; }}

Answer by galto
Submitted on 9/16/2006
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a = a Xor b b = a Xor b a = a Xor b

Answer by kums
Submitted on 7/19/2007
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#include<stdio.h> void main() { int a,b; a=5; b=6; /* now multiplying b to a we have /; a=ab; b=a/b; /* now here b will get value of a /; a=a/b /this will give a value of b */; }

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